Alkylated urea and triaminotriazine compounds and phase change inks containing same

ABSTRACT

Compounds of the formulae 
                                           
wherein Z is OR 1 , SR 1 , or NR 1 R 2 , Y is OR 3 , SR 3 , or NR 3 R 4 , at least one of R 1 , R 2 , R 3 , R 4 , R 5 , and R 6  is hydrogen, at least one of R 1 , R 2 , R 3 , R 4 , R 5 , and R 6  is other than hydrogen, at least one Z or Y within the compound is NR 1 R 2  or —NR 3 R 4 , R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , and R 7  each, independently of the others, is hydrogen, alkyl, aryl, arylalkyl, or alkylaryl, and wherein R 7  can also be (vi) an alkoxy, aryloxy, arylalkyloxy, alkylaryloxy, polyalkyleneoxy, polyaryleneoxy, polyarylalkyleneoxy, polyalkylaryleneoxy, silyl, siloxane, polysilylene, polysiloxane, or
 
                         
wherein X is a direct bond, oxygen, sulfur, NR 40 — wherein R 40  is hydrogen, alkyl, aryl, arylalkyl, or alkylaryl, or CR 50 R 60 — wherein R 50  and R 60  each, independently of the other, is hydrogen, alkyl, aryl, arylalkyl, or alkylaryl, and wherein R 6  can also be

This application is a divisional of U.S. application Ser. No. 10/235,109, filed Sep. 4, 2002, now U.S. Pat. No. 6,860,928.

Cross-reference is made to the following applications:

Application U.S. Ser. No. 09/949,315, filed Sep. 7, 2001, U.S. Publication No. 20030079644, entitled “Aqueous Ink Compositions,” with the named inventors Thomas W. Smith, David J. Luca, and Kathleen M. McGrane, the disclosure of which is totally incorporated herein by reference, discloses an aqueous ink composition comprising an aqueous liquid vehicle, a colorant, and an additive wherein, when the ink has been applied to a recording substrate in an image pattern and a substantial amount of the aqueous liquid vehicle has either evaporated from the ink image, hydrogen bonds of sufficient strength exist between the additive molecules so that the additive forms hydrogen-bonded oligomers or polymers.

Application U.S. Ser. No. 09/948,958, filed Sep. 7, 2001, U.S. Publication No. 20030105185, entitled “Phase Change Ink Compositions,” with the named inventors H. Bruce Goodbrand, Thomas W. Smith, Dina Popovic, Daniel A. Foucher, and Kathleen M. McGrone, the disclosure of which is totally incorporated herein by reference, discloses a phase change ink composition comprising a colorant and an ink vehicle, the ink being a solid at temperatures less than about 50° C. and exhibiting a viscosity of no more than about 20 centipoise at a jetting temperature of no more than about 160° C., wherein at a first temperature hydrogen bonds of sufficient strength exist between the ink vehicle molecules so that the ink vehicle forms hydrogen-bonded dimers, oligomers, or polymers, and wherein at a second temperature which is higher than the first temperature the hydrogen bonds between the ink vehicle molecules are sufficiently broken that fewer hydrogen-bonded dimers, oligomers, or polymers are present in the ink at the second temperature than are present in the ink at the first temperature, so that the viscosity of the ink at the second temperature is lower than the viscosity of the ink at the first temperature.

Application U.S. Ser. No. 10/235,514, filed Sep. 4, 2002, entitled “Alkylated Tetrakis(triaminotriazine) Compounds and Phase Change Inks Containing Same,” with the named inventors Danielle C. Boils-Boissier, Marcel P. Breton, Jule W. Thomas, Jr., Donald R. Titterington, Jeffery H. Banning, H. Bruce Goodbrand, James D. Wuest, Marie-Ève Perron, Francis Monchamp, and Hugues Duval, the disclosure of which is totally incorporated herein by reference, discloses compounds of the formula

wherein, provided that at least one of R₁, R₂, R₃, R₄, R₅, and R₆ is a hydrogen atom, and provided that at least one of R₁, R₂, R₃, R₄, R₅, and R₆ is not a hydrogen atom, R₁, R₂, R₃, R₄, R₅, and R₆ each, independently of the others, is (i) a hydrogen atom, (ii) an alkyl group, (iii) an aryl group, (iv) an arylalkyl group, or (v) an alkylaryl group. Also disclosed are phase change ink compositions comprising a colorant and a phase change ink carrier comprising a material of this formula.

Application U.S. Ser. No. 10/235,061, filed Sep. 4, 2002, entitled “Guanidinopyrimidinone Compounds and Phase Change Inks Containing Same,” with the named inventors Danielle C. Boils-Boissier, Marcel P. Breton, Jule W. Thomas, Jr., Donald R. Titterington, Jeffery H. Banning, H. Bruce Goodbrand, James D. Wuest, Marie-Ève Perron, and Hugues Duval, the disclosure of which is totally incorporated herein by reference, discloses compounds of the formulae

wherein, provided that at least one of R₁, R₂, and R₃ is not a hydrogen atom, R₁, R₂, and R₃ each, independently of the other, is (i) a hydrogen atom, (ii) an alkyl group, (iii) an aryl group, (iv) an arylalkyl group, or (v) an alkylaryl group, and wherein R₁ and R₂ can also be (vi) an alkoxy group, (vii) an aryloxy group, (viii) an arylalkyloxy group, (ix) an alkylaryloxy group, (x) a polyalkyleneoxy group, (xi) a polyaryleneoxy group, (xii) a polyarylalkyleneoxy group, (xiii) a polyalkylaryleneoxy group, (xiv) a silyl group, (xv) a siloxane group, (xvi) a polysilylene group, (xvii) a polysiloxane group, or (xviii) a group of the formula

wherein r is an integer representing a number of repeat —CH₂— groups, wherein s is an integer representing a number of repeating —CH₂— groups, and wherein X is (a) a direct bond, (b) an oxygen atom, (c) a sulfur atom, (d) a group of the formula —NR₄₀— wherein R₄₀ is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, or (e) a group of the formula —CR₅₀R₆₀— wherein R₅₀ and R₆₀ each, independently of the other, is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and R₁₀ and R₁₁ each, independently of the other, is (i) an alkylene group, (ii) an arylene group, (iii) an arylalkylene group, or (iv) an alkylarylene group, and wherein R₁₀ can also be (v) a polyalkyleneoxy group, (vi) a polyaryleneoxy group, (vii) a polyarylalkyleneoxy group, (viii) a polyalkylaryleneoxy group, (ix) a silylene group, (x) a siloxane group, (xi) a polysilylene group, or (xii) a polysiloxane group. Also disclosed are phase change ink compositions comprising a colorant and a phase change ink carrier comprising a material of this formula.

Application U.S. Ser. No. 10/235,125, filed Sep. 4, 2002, entitled “Phase Change Inks Containing Gelator Additives,” with the named inventors Marcel P. Breton, Danielle C. Boils-Boissier, Donald R. Titterington, Jule W. Thomas, Jr., Jeffery H. Banning, Christy Bedford, and James D. Wuest, the disclosure of which is totally incorporated herein by reference, discloses a phase change ink composition comprising an ink vehicle, a colorant, and a nonpolymeric organic gelator selected from the group consisting of anthracene-based compounds, steroid compounds, partially fluorinated high molecular weight alkanes, high molecular weight alkanes with exactly one hetero atom, chiral tartrate compounds, chiral butenolide-based compounds, bis-urea compounds, guanines, barbiturates, oxamide compounds, ureidopyrimidone compounds, and mixtures thereof, said organic gelator being present in the ink in an amount of no more than about 20 percent by weight of the ink, said ink having a melting point at or below which the ink is a solid, said ink having a gel point at or above which the ink is a liquid, and said ink exhibiting a gel state between the melting point and the gel point, said ink exhibiting reversible transitions between the solid state and the gel state upon heating and cooling, said ink exhibiting reversible transitions between the gel state and the liquid state upon heating and cooling, said melting point being greater than about 35° C., said gel point being greater than said melting point. Also disclosed are imaging processes employing phase change inks containing gelator additives.

BACKGROUND OF THE INVENTION

The present invention is directed to alkylated urea and triaminotriazine compounds and to phase change (hot melt) ink compositions. More specifically, the present invention is directed to compositions of matter and to phase change ink compositions suitable for use in ink jet printing processes that contain these compositions. One embodiment of the present invention is directed to compounds of the formulae

wherein Z is a group of the formula —OR₁, a group of the formula —SR₁, or a group of the formula —NR₁R₂, Y is a group of the formula —OR₃, a group of the formula —SR₃, or a group of the formula —NR₃R₄, n is an integer representing the number of repeat —(CH₂)— or —(CH₂CH₂O)— units, wherein, provided that at least one of R₁, R₂, R₃, R₄, R₅, and R₆ is a hydrogen atom, provided that at least one of R₁, R₂, R₃, R₄, R₅, and R₆ is other than a hydrogen atom, and provided that at least one Z or Y within the compound is a group of the formula —NR₁R₂ or a group of the formula —NR₃R₄, R₁, R₂, R₃, R₄, R₅, R₆, and R₇ each, independently of the others, is (i) a hydrogen atom, (ii) an alkyl group, (iii) an aryl group, (iv) an arylalkyl group, or (v) an alkylaryl group, and wherein R₇ can also be (vi) an alkoxy group, (vii) an aryloxy group, (viii) an arylalkyloxy group, (ix) an alkylaryloxy group, (x) a polyalkyleneoxy group, (xi) a polyaryleneoxy group, (xii) a polyarylalkyleneoxy group, (xiii) a polyalkylaryleneoxy group, (xiv) a silyl group, (xv) a siloxane group, (xvi) a polysilylene group, (xvii) a polysiloxane group, or (xviii) a group of the formula

wherein r is an integer representing a number of repeat —CH₂— groups, wherein s is an integer representing a number of repeating —CH₂— groups, and wherein X is (a) a direct bond, (b) an oxygen atom, (c) a sulfur atom, (d) a group of the formula —NR₄₀— wherein R₄₀ is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, or (e) a group of the formula —CR₅₀R₆₀— wherein R₅₀ and R₆₀ each, independently of the other, is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R₆ can also be

Another embodiment of the present invention is directed to a phase change ink composition comprising a colorant and a phase change ink carrier comprising a material of this formula.

In general, phase change inks (sometimes referred to as “hot melt inks”) are in the solid phase at ambient temperature, but exist in the liquid phase at the elevated operating temperature of an ink jet printing device. At the jet operating temperature, droplets of liquid ink are ejected from the printing device and, when the ink droplets contact the surface of the recording substrate, either directly or via an intermediate heated transfer belt or drum, they quickly solidify to form a predetermined pattern of solidified ink drops. Phase change inks have also been used in other printing technologies, such as gravure printing, as disclosed in, for example, U.S. Pat. No. 5,496,879 and German Patent Publications DE 4205636AL and DE 4205713AL, the disclosures of each of which are totally incorporated herein by reference.

Phase change inks for color printing typically comprise a phase change ink carrier composition which is combined with a phase change ink compatible colorant. In a specific embodiment, a series of colored phase change inks can be formed by combining ink carrier compositions with compatible subtractive primary colorants. The subtractive primary colored phase change inks can comprise four component dyes, namely, cyan, magenta, yellow and black, although the inks are not limited to these four colors. These subtractive primary colored inks can be formed by using a single dye or a mixture of dyes. For example, magenta can be obtained by using a mixture of Solvent Red Dyes or a composite black can be obtained by mixing several dyes. U.S. Pat. No. 4,889,560, U.S. Pat. No. 4,889,761, and U.S. Pat. No. 5,372,852, the disclosures of each of which are totally incorporated herein by reference, teach that the subtractive primary colorants employed can comprise dyes from the classes of Color Index (C.I.) Solvent Dyes, Disperse Dyes, modified Acid and Direct Dyes, and Basic Dyes. The colorants can also include pigments, as disclosed in, for example, U.S. Pat. No. 5,221,335, the disclosure of which is totally incorporated herein by reference. U.S. Pat. No. 5,621,022, the disclosure of which is totally incorporated herein by reference, discloses the use of a specific class of polymeric dyes in phase change ink compositions.

Phase change inks have also been used for applications such as postal marking, industrial marking, and labelling.

Phase change inks are desirable for ink jet printers because they remain in a solid phase at room temperature during shipping, long term storage, and the like. In addition, the problems associated with nozzle clogging as a result of ink evaporation with liquid ink jet inks are largely eliminated, thereby improving the reliability of the ink jet printing. Further, in phase change ink jet printers wherein the ink droplets are applied directly onto the final recording substrate (for example, paper, transparency material, and the like), the droplets solidify immediately upon contact with the substrate, so that migration of ink along the printing medium is prevented and dot quality is improved.

Compositions suitable for use as phase change ink carrier compositions are known. Some representative examples of references disclosing such materials include U.S. Pat. No. 3,653,932, U.S. Pat. No. 4,390,369, U.S. Pat. No. 4,484,948, U.S. Pat. No. 4,684,956, U.S. Pat. No. 4,851,045, U.S. Pat. No. 4,889,560, U.S. Pat. No. 5,006,170, U.S. Pat. No. 5,151,120, U.S. Pat. No. 5,372,852, U.S. Pat. No. 5,496,879, European Patent Publication 0187352, European Patent Publication 0206286, German Patent Publication DE 4205636AL, German Patent Publication DE 4205713AL, and PCT Patent Application WO 94/04619, the disclosures of each of which are totally incorporated herein by reference. Suitable carrier materials can include paraffins, microcrystalline waxes, polyethylene waxes, ester waxes, fatty acids and other waxy materials, fatty amide containing materials, sulfonamide materials, resinous materials made from different natural sources (tall oil rosins and rosin esters, for example), and many synthetic resins, oligomers, polymers, and copolymers.

U.S. Pat. No. 5,006,170 (Schwarz et al.) and U.S. Pat. No. 5,122,187 (Schwarz et al.), the disclosures of each of which are totally incorporated herein by reference, disclose hot melt ink compositions suitable for ink jet printing which comprise a colorant, a binder, and a propellant selected from the group consisting of hydrazine; cyclic amines; ureas; carboxylic acids; sulfonic acids; aldehydes; ketones; hydrocarbons; esters; phenols; amides; imides; halocarbons; urethanes; ethers; sulfones; sulfamides; sulfonamides; phosphites; phosphonates; phosphates; alkyl sulfines; alkyl acetates; and sulfur dioxide. Also disclosed are hot melt ink compositions suitable for ink jet printing which comprise a colorant, a propellant, and a binder selected from the group consisting of rosin esters; polyamides; dimer acid amides; fatty acid amides; epoxy resins; fluid paraffin waxes; fluid microcrystalline waxes; Fischer-Tropsch waxes; polyvinyl alcohol resins; polyols; cellulose esters; cellulose ethers; polyvinyl pyridine resins; fatty acids; fatty acid esters; poly sulfonamides; benzoate esters; long chain alcohols; phthalate plasticizers; citrate plasticizers; maleate plasticizers; sulfones; polyvinyl pyrrolidinone copolymers; polyvinyl pyrrolidone/polyvinyl acetate copolymers; novalac resins; natural product waxes; mixtures of linear primary alcohols and linear long chain amides; and mixtures of linear primary alcohols and fatty acid amides. In one embodiment, the binder comprises a liquid crystalline material.

U.S. Pat. No. 5,021,802 (Allred), the disclosure of which is totally incorporated herein by reference, discloses impulse ink or bubble jet inks which comprise 90 to 99.9 percent by weight of aqueous sol-gel medium and 0.1 to 10 percent by weight colorant. The inks are thermally reversible sol-gels which are gels at ambient temperatures and sols at temperatures between about 40° to 100° C.

U.S. Pat. No. 5,180,425 (Matrick et al.), the disclosure of which is totally incorporated herein by reference, discloses an ink for ink jet printers which comprises an aqueous carrier medium, pigment dispersion or dye, and a polyol/alkylene oxide condensate cosolvent which eliminates film formation on thermal ink jet resistor surfaces thereby eliminating non-uniformity in optical density. The cosolvent present at least 5 percent has a solubility in water of at least 4.5 parts in 100 parts of water at 25° C. and a general formula:

wherein X=—H or —CH₃; R=−H, —CH₃, —C₂H₅, —C₃H₇, —C₄H₉, or —CH₂O(CH₂CH₂O)_(e)H; b=0 or 1, a+d+f(c+e)=2 to 100; and f=1 to 6, the cosolvent being present in the amount of at least 4.5 percent based on the total weight of the ink jet ink composition. These inks exhibit freedom from thermal resistor film formation, have excellent decap performance, are storage stable and give images having excellent print quality.

U.S. Pat. No. 5,531,817 (Shields et al.), the disclosure of which is totally incorporated herein by reference, discloses the control of color bleed (the invasion of one color into another on the surface of the print medium) using ink-jet inks by employing either high molecular weight polymers that exhibit a reversible gelling nature with heat or certain amine oxide surfactants that undergo sol-gel transitions. The inks of the invention further include a vehicle and a dye. The vehicle typically comprises a low viscosity, high boiling point solvent and water. Certain high molecular weight polymers, under the correct solution conditions, can form gels which can be subsequently melted by heating of the gel. When the melted gel is cooled, it will then reform into a gel. The viscosity of an ink employing such a gel can be reduced to a viscosity low enough to permit jetting from the print cartridge. After leaving the print cartridge, the melted gel will again reform into a highly viscous gel to immobilize the droplet of ink and prevent its migration on the media. Therefore, two drops of different colors, when printed next to one another will thus be inhibited from migrating or bleeding into one another.

U.S. Pat. No. 5,476,540 (Shields et al.), the disclosure of which is totally incorporated herein by reference, discloses a method for controlling color bleed between adjacent multi-color ink regions on a print medium. Color bleed involves the migration of color agents between adjacent zones in a multicolored printed image on a print medium. A first composition containing a gel-forming species and a color agent is brought into contact on a region of the print medium with a second composition having a color agent and a gel-initiating species or chemical conditions which bring about gelation. In alternative embodiments, the print medium may be pretreated with either a gel-initiating species or a gel-forming species (with no colorant), followed by treatment with a gel-forming species or gel-initiating species (with colorant), respectively. The formation of the gel upon the print medium impedes the movement of the color agent or agents and thus reduces the color bleed between adjacent zones.

U.S. Pat. No. 5,389,958 (Bui et al.), the disclosure of which is totally incorporated herein by reference, discloses a method and apparatus whereby an intermediate transfer surface of a layer of sacrificial liquid is applied to a supporting surface and a phase change ink is deposited on the liquid layer. The inked image is then contact transferred to a final receiving substrate.

U.S. Pat. No. 5,554,212 (Bui et al.), the disclosure of which is totally incorporated herein by reference, discloses an aqueous phase change ink containing a water dispersible sulfonated polyester gloss agent and a selected concentration of hyperthermogelling component that causes the ink to gel when its temperature is increased to its thermo-inversion point or when the concentration of the hyperthermogelling component is increased by evaporation, or substrate absorption, of water from the ink. The ink may be jetted directly onto a heated and/or absorptive substrate or jetted onto a cooler and/or hydrophobic surface before being transferred to the substrate. The thermo-inversion point is preferably about ambient temperature, and the preferred hyperthermogelling component is a nonionic surfactant, such as an ethylene oxide propylene oxide block copolymer surfactant.

U.S. Pat. No. 5,462,591 (Karandikar et al.), the disclosure of which is totally incorporated herein by reference, discloses an aqueous phase change ink that contains a selected concentration of hyperthermogelling component that causes the ink to gel when its temperature is increased to its thermo-inversion point or when the concentration of the hyperthermogelling component is increased by evaporation, or substrate absorption, of water from the ink. The ink may be jetted directly onto a heated and/or absorptive substrate or jetted onto a cooler and/or hydrophobic surface before being transferred to the substrate. The thermo-inversion point is preferably about ambient temperature, and the preferred hyperthermogelling component is a nonionic surfactant, such as an ethylene oxide propylene oxide block copolymer surfactant.

U.S. Pat. No. 5,099,256 (Anderson), the disclosure of which is totally incorporated herein by reference, discloses an ink jet printer having a rotatable intermediate drum having a thermally conductive surface on which the ink droplets are printed from the printhead. The drum surface material is a suitable film forming silicone polymer having a high surface energy and surface roughness to prevent movement of the droplets after impact thereon. The printhead is located relative to the intermediate drum surface so that the ink droplets impact the drum surface with a large contact angle and the ink droplet image is transferred at a second location spaced from the printhead to minimize contaminating particles from the recording medium from reaching the printhead nozzles. The intermediate drum surface is heated to dehydrate the ink droplets prior to transfer from the intermediate drum to the recording medium. The silicone polymer coating enables substantially complete transfer of the dehydrated droplets to the recording medium, so that subsequent removal of the residual ink from the drum by a cleaning system is eliminated.

U.S. Pat. No. 4,538,156 (Durkee et al.), the disclosure of which is totally incorporated herein by reference, discloses an ink jet printer utilizing a smooth surfaced transfer drum as an illustrative embodiment of the invention. The transfer drum and the print head assembly are mounted between a pair of side plates. A print head assembly, which comprises a number of ink jet nozzles, is also mounted between the side plates. The print head assembly is spaced apart from the drum and the nozzles thereof are spaced at equal distances along a line which is parallel to the axis of the drum. The print head assembly is movable in fine steps from left to right so that on successive rotations of the drum each nozzle is directed to a new track of a succession of tracks. After all tracks of the transfer drum have been served by a nozzle assembly, a printing medium, e.g., paper is brought in rolling contact with the drum to transfer the indicia on the drum to the printing medium while the print head assembly is returned to its starting position; and thereafter, if required, the drum is wiped clean in preparation for receiving the next page of information.

U.S. Pat. No. 5,761,597 (Smith et al.), the disclosure of which is totally incorporated herein by reference, discloses an improved fusing apparatus for fixing or fusing images on print media wherein a relatively small pressure applying surface, such as the surface of a rotatable pressure wheel, is lubricated with a lubricating medium such as silicone oil, and engages the printed image to apply pressure and fuse the image to the image receiving substrate. The fusing apparatus is mounted for reciprocal back and forth movement across the printed image on the image receiving substrate or medium to fuse the image into the substrate and flatten or smooth the upper exposed surface of the ink image. The pressure wheel is passed in multiple overlapping passes over the printed image to uniformly fuse the image into the media.

U.S. Pat. No. 5,195,430 (Rise), the disclosure of which is totally incorporated herein by reference, discloses a fixing and developing apparatus in which sheet material to be treated is passed through a high pressure nip defined by a pair of rollers. At least one of the rollers may have a composite construction. The composite roller includes an elongated tubular shell with a pressure applying external surface, an elongated core positioned within the tubular shell, and an elastomeric material disposed between the core and shell to support the shell on the core. The core may be of a number of configurations and may increase in transverse cross-sectional dimension from the respective ends of the core toward the center of the core. The core may taper continuously or in discrete steps from its center toward its first and second ends. In addition, the core may have a longitudinal cross-section with a crown in the shape of a beam deflection curve for a simply supported, uniformly constant cross-section beam. The shell may be similarly configured along its interior surface. Also, the elastomer may be compressed at the center of the roller relative to the ends of the roller to preload its center portion.

U.S. Pat. No. 4,889,761 (Titterington et al.), the disclosure of which is totally incorporated herein by reference, discloses a method for producing a light-transmissive phase change ink printed substrate which comprises providing a substrate, and then printing on at least one surface of the substrate a predetermined pattern of a light-transmissive phase change ink which initially transmits light in a non-rectilinear path. The pattern of solidified phase change ink is then reoriented to form an ink layer of substantially uniform thickness. This ink layer will, in turn, produce an image which then will transmit light in a substantially rectilinear path. In one aspect of the invention, the substrate is light transmissive, and the reoriented printed substrate exhibits a high degree of lightness and chroma, and transmits light in a substantially rectilinear path. In this way, the reoriented printed substrate can be used in a projection device to project an image containing clear, saturated colors.

U.S. Pat. No. 4,745,420 (Gerstenmaier), the disclosure of which is totally incorporated herein by reference, discloses a method of ejecting droplets of phase change or hot melt ink jet ink upon a target such as paper which includes a step of applying pressure to the droplets after they have cooled upon the paper in order to increase their coverage and, thus, minimize the volume of ink required to produce a high quality print with a high degree of resolution. Including a means for applying pressure to the cooled droplets, a suitable apparatus increases the area of the target covered by a particular droplet after spreading by at least five percent and preferably by twenty percent.

U.S. Pat. No. 6,320,018 (Sijbesma et al.), the disclosure of which is totally incorporated herein by reference, discloses a polymer comprising monomeric units linked via four H-bridges and bound within said polymer via a different bond. The bond via the H-bridges is much stronger than with known supramolecular polymers.

U.S. Pat. No. 5,892,116 (Weiss et al.) and PCT Patent Publication WO 97/24364 (Weiss et al.), the disclosures of each of which are totally incorporated herein by reference, disclose gelators that gel a variety of nonpolar and polar liquids. Moreover, gelation of various monomers with subsequent polymerization of the gelled monomers forms organic zeolites and membrane materials. An ionic gelator includes salts of compounds of formula (I) [R¹R²R³X—R⁴]^(±)Y^(±)  I where R¹, R², and R³ are the same or different hydrogen or organic groups including alkyl groups, alkenyl groups, alkynyl groups, aryl groups, arylalkyl groups, alkoxy groups, aryloxy groups; X is a Group IIIA or Group VA element; R⁴ is a steroidal group, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, an arylalkyl group, an alkoxy group, or an aryloxy group; and Y is a Group IA or Group VIIA element or one-half of a Group IIA or VIA element, that is, a divalent counterion. The gelling agent composition may include a single isomer or mixtures of isomers of the formula (I). A non-ionic gelator also includes compounds of the formula (II): R¹R²R³X  II where R¹, R², R³, and X are defined as above.

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While known compositions and processes are suitable for their intended purposes, a need remains for phase change inks that are suitable for hot melt ink jet printing processes, such as hot melt piezoelectric ink jet printing processes and the like. In addition, a need remains for phase change inks that generate images with reduction in waxy texture and feel. Further, a need remains for phase change inks that generate images with improved rub and scratch resistance. Additionally, a need remains for phase change inks that generate images with improved smear resistance. There is also a need for phase change inks with desirably low viscosity values at the jetting temperature of a hot melt ink jet printer. In addition, there is a need for phase change inks that generate images with improved image permanence. Further, there is a need for phase change inks that generate images with improved adhesion to print substrates such as paper and transparency material. Additionally, there is a need for phase change inks that can be fused or transfused to substrates at relatively high temperatures, thereby enabling better control of the fusing process and better penetration of the inks into the final recording substrates.

SUMMARY OF THE INVENTION

The present invention is directed to compounds of the formulae

wherein Z is a group of the formula —OR₁, a group of the formula —SR₁, or a group of the formula —NR₁R₂, Y is a group of the formula —OR₃, a group of the formula —SR₃, or a group of the formula —NR₃R₄, n is an integer representing the number of repeat —(CH₂)— or —(CH₂CH₂O)— units, wherein, provided that at least one of R₁, R₂, R₃, R₄, R₅, and R₆ is a hydrogen atom, provided that at least one of R₁, R₂, R₃, R₄, R₅, and R₆ is other than a hydrogen atom, and provided that at least one Z or Y within the compound is a group of the formula —NR₁R₂ or a group of the formula —NR₃R₄, R₁, R₂, R₃, R₄, R₅, R₆, and R₇ each, independently of the others, is (i) a hydrogen atom, (ii) an alkyl group, (iii) an aryl group, (iv) an arylalkyl group, or (v) an alkylaryl group, and wherein R₇ can also be (vi) an alkoxy group, (vii) an aryloxy group, (viii) an arylalkyloxy group, (ix) an alkylaryloxy group, (x) a polyalkyleneoxy group, (xi) a polyaryleneoxy group, (xii) a polyarylalkyleneoxy group, (xiii) a polyalkylaryleneoxy group, (xiv) a silyl group, (xv) a siloxane group, (xvi) a polysilylene group, (xvii) a polysiloxane group, or (xviii) a group of the formula

wherein r is an integer representing a number of repeat —CH₂— groups, wherein s is an integer representing a number of repeating —CH₂— groups, and wherein X is (a) a direct bond, (b) an oxygen atom, (c) a sulfur atom, (d) a group of the formula —NR₄₀— wherein R₄₀ is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, or (e) a group of the formula —CR₅OR₆₀— wherein R₅₀ and R₆₀ each, independently of the other, is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R₆ can also be

Another embodiment of the present invention is directed to a phase change ink composition comprising a colorant and a phase change ink carrier comprising a material of this formula.

DETAILED DESCRIPTION OF THE INVENTION

The present invention is directed to compounds of the formulae

wherein Z is a group of the formula —OR₁, a group of the formula —SR₁, or a group of the formula —NR₁R₂, Y is a group of the formula —OR₃, a group of the formula —SR₃, or a group of the formula —NR₃R₄, n is an integer representing the number of repeat —(CH₂)— or —(CH₂CH₂O)— units, and typically is from 1 to about 100, although the value of n can be outside of this range, wherein, provided that at least one of R₁, R₂, R₃, R₄, R₅, and R₆ is other than a hydrogen atom, and provided that at least one Z or Y within the compound is a group of the formula —NR₁R₂ or a group of the formula —NR₃R₄, R₁, R₂, R₃, R₄, R₅, R₆, and R₇ each, independently of the others, provided that at least one of R₁, R₂, R₃, R₄, R₅, and R₆ is a hydrogen atom, is (i) a hydrogen atom, (ii) an alkyl group (including linear, branched, saturated, unsaturated, cyclic, unsubstituted, and substituted alkyl groups, and wherein hetero atoms, such as oxygen, sulfur, nitrogen, silicon, phosphorus, or the like, either may or may not be placed between the carbon atoms in the alkyl group), in one embodiment with at least about 1 carbon atom, in another embodiment with at least about 3 carbon atoms, and in yet another embodiment with at least about 8 carbon atoms, and in one embodiment with no more than about 96 carbon atoms, in another embodiment with no more than about 50 carbon atoms, and in yet another embodiment with no more than about 24 carbon atoms, although the number of carbon atoms can be outside of these ranges, (iii) an aryl group (including unsubstituted and substituted aryl groups, and wherein hetero atoms, such as oxygen, sulfur, nitrogen, silicon, phosphorus, or the like, either may or may not be present in the aryl group), in one embodiment with at least about 6 carbon atoms, and in one embodiment with no more than about 50 carbon atoms, in another embodiment with no more than about 22 carbon atoms, in yet another embodiment with no more than about 18 carbon atoms, and in still another embodiment with no more than about 12 carbon atoms, although the number of carbon atoms can be outside of these ranges, (iv) an arylalkyl group (including unsubstituted and substituted arylalkyl groups, and wherein hetero atoms, such as oxygen, nitrogen, sulfur, silicon, phosphorus, and the like either may or may not be present in either or both of the alkyl portion and the aryl portion of the arylalkyl group), in one embodiment with at least about 7 carbon atoms, and in another embodiment with at least about 8 carbon atoms, and in one embodiment with no more than about 96 carbon atoms, in another embodiment with no more than about 50 carbon atoms, in yet another embodiment with no more than about 24 carbon atoms, and in still another embodiment with no more than about 12 carbon atoms, although the number of carbon atoms can be outside of these ranges, or (v) an alkylaryl group (including unsubstituted and substituted alkylaryl groups, and wherein hetero atoms, such as oxygen, nitrogen, sulfur, silicon, phosphorus, and the like either may or may not be present in either or both of the alkyl portion and the aryl portion of the alkylaryl group), in one embodiment with at least about 7 carbon atoms, and in another embodiment with at least about 8 carbon atoms, and in one embodiment with no more than about 96 carbon atoms, in another embodiment with no more than about 50 carbon atoms, in yet another embodiment with no more than about 24 carbon atoms, and in still another embodiment with no more than about 12 carbon atoms, although the number of carbon atoms can be outside of these ranges, and wherein R₇ can also be (vi) an alkoxy group (including linear, branched, saturated, unsaturated, cyclic, unsubstituted, and substituted alkoxy groups, and wherein hetero atoms, such as oxygen, nitrogen, sulfur, silicon, phosphorus, and the like either may or may not be present in the alkyl portion of the alkoxy group), in one embodiment with at least about 1 carbon atom, in another embodiment with at least about 3 carbon atoms, and in yet another embodiment with at least about 8 carbon atoms, and in one embodiment with no more than about 96 carbon atoms, in another embodiment with no more than about 50 carbon atoms, and in yet another embodiment with no more than about 24 carbon atoms, although the number of carbon atoms can be outside of these ranges, (vii) an aryloxy group (including unsubstituted and substituted aryloxy groups, and wherein hetero atoms, such as oxygen, sulfur, nitrogen, silicon, phosphorus, or the like, either may or may not be present in the aryl portion of the aryloxy group), in one embodiment with at least about 6 carbon atoms, and in one embodiment with no more than about 50 carbon atoms, in another embodiment with no more than about 22 carbon atoms, in yet another embodiment with no more than about 18 carbon atoms, and in yet another embodiment with no more than about 12 carbon atoms, although the number of carbon atoms can be outside of these ranges, (viii) an arylalkyloxy group (including unsubstituted and substituted arylalkyloxy groups, and wherein hetero atoms, such as oxygen, sulfur, nitrogen, silicon, phosphorus, or the like, either may or may not be present in either or both of the alkyl portion and the aryl portion of the arylalkyloxy group), in one embodiment with at least about 7 carbon atoms, and in another embodiment with at least about 8 carbon atoms, and in one embodiment with no more than about 96 carbon atoms, in another embodiment with no more than about 50 carbon atoms, in yet another embodiment with no more than about 24 carbon atoms, and in still another embodiment with no more than about 12 carbon atoms, although the number of carbon atoms can be outside of these ranges, (ix) an alkylaryloxy group (including unsubstituted and substituted alkylaryloxy groups, and wherein hetero atoms, such as oxygen, nitrogen, sulfur, silicon, phosphorus, and the like either may or may not be present in either or both of the alkyl portion and the aryl portion of the alkylaryloxy group), in one embodiment with at least about 7 carbon atoms, and in another embodiment with at least about 8 carbon atoms, and in one embodiment with no more than about 96 carbon atoms, in another embodiment with no more than about 50 carbon atoms, in yet another embodiment with no more than about 24 carbon atoms, and in still another embodiment with no more than about 12 carbon atoms, although the number of carbon atoms can be outside of these ranges, (x) a polyalkyleneoxy group, wherein the alkyl portion of the repeat alkyleneoxy groups typically has from about 1 to about 12 carbon atoms, although the number of carbon atoms can be outside of these ranges, such as a polyethyleneoxy group, a polypropyleneoxy group, a polybutyleneoxy group, or the like, and wherein the number of repeat alkyleneoxy groups typically is from about 2 to about 50 repeat alkyleneoxy groups, although the number of repeat units can be outside of these ranges, (xi) a polyaryleneoxy group, wherein the aryl portion of the repeat aryleneoxy groups typically has from about 6 to about 14 carbon atoms, although the number of carbon atoms can be outside of these ranges, such as a polyphenyleneoxy group, a polynaphthaleneoxy group, a polyphenanthreneoxy group, or the like, and wherein the number of repeat aryleneoxy groups typically is from about 2 to about 20 repeat aryleneoxy groups, although the number of repeat units can be outside of these ranges, (xii) a polyarylalkyleneoxy group, wherein the arylalkyl portion of the repeat arylalkyleneoxy groups typically has from about 7 to about 50 carbon atoms, although the number of carbon atoms can be outside of these ranges, such as a polybenzyleneoxy group, a polyphenylethyleneoxy group, or the like, and wherein the number of repeat arylalkyleneoxy groups typically is from about 2 to about 20 repeat arylalkyleneoxy groups, although the number of repeat units can be outside of these ranges, (xiii) a polyalkylaryleneoxy group, wherein the alkylaryl portion of the repeat alkylaryleneoxy groups typically has from about 7 to about 50 carbon atoms, although the number of carbon atoms can be outside of these ranges, such as a polytolueneoxy group or the like, and wherein the number of repeat alkylaryleneoxy groups typically is from about 2 to about 20 repeat alkylaryleneoxy groups, although the number of repeat units can be outside of these ranges, (xiv) a silyl group (including unsubstituted and substituted silyl groups), (xv) a siloxane group (including unsubstituted and substituted siloxane groups), (xvi) a polysilylene group (including unsubstituted and substituted polysilylene groups), typically with from 2 to about 100 repeat silylene units, although the number of repeat silylene units can be outside of this range, (xvii) a polysiloxane group (including unsubstituted and substituted polysiloxane groups), typically with from 2 to about 200 repeat siloxane units, although the number of repeat siloxane units can be outside of this range, or (xviii) a group of the formula

wherein r is an integer representing the number of repeat —CH₂— groups, in one embodiment being at least 1, in another embodiment at least about 5, and in yet another embodiment at least about 10, and in one embodiment being no more than about 100, in another embodiment no more than about 50, and in yet another embodiment no more than about 25, although the value of r can be outside of these ranges, wherein s is an integer representing the number of repeating —CH₂— groups, in one embodiment being at least 1, in another embodiment at least about 5, and in yet another embodiment at least about 10, and in one embodiment being no more than about 100, in another embodiment no more than about 50, and in yet another embodiment no more than about 25, although the value of s can be outside of these ranges, and wherein X is (a) a direct bond, (b) an oxygen atom, (c) a sulfur atom, (d) a group of the formula —NR₄₀— wherein R₄₀ is a hydrogen atom, an alkyl group (including linear, branched, saturated, unsaturated, cyclic, unsubstituted, and substituted alkyl groups, and wherein hetero atoms, such as oxygen, nitrogen, sulfur, silicon, phosphorus, and the like either may or may not be placed between the carbon atoms in the alkyl group), typically with from 1 to about 50 carbon atoms, preferably with from about 2 to about 20 carbon atoms, and more preferably with from about 4 to about 12 carbon atoms, although the number of carbon atoms can be outside of these ranges, an aryl group (including unsubstituted and substituted aryl groups, and wherein hetero atoms, such as oxygen, sulfur, nitrogen, silicon, phosphorus, or the like, either may or may not be present in the aryl group), typically with from about 6 to about 50 carbon atoms, preferably with from about 6 to about 20 carbon atoms, and more preferably with from about 6 to about 10 carbon atoms, although the number of carbon atoms can be outside of these ranges, an arylalkyl group (including unsubstituted and substituted arylalkyl groups, and wherein hetero atoms, such as oxygen, nitrogen, sulfur, silicon, phosphorus, and the like either may or may not be present in either or both of the alkyl portion and the aryl portion of the arylalkyl group), typically with from about 7 to about 100 carbon atoms, preferably with from about 7 to about 50 carbon atoms, and more preferably with from about 7 to about 20 carbon atoms, although the number of carbon atoms can be outside of these ranges, or an alkylaryl group (including unsubstituted and substituted alkylaryl groups, and wherein hetero atoms, such as oxygen, nitrogen, sulfur, silicon, phosphorus, and the like either may or may not be present in either or both of the alkyl portion and the aryl portion of the alkylaryl group), typically with from about 7 to about 100 carbon atoms, preferably with from about 7 to about 50 carbon atoms, and more preferably with from about 7 to about 20 carbon atoms, although the number of carbon atoms can be outside of these ranges, or (e) a group of the formula —CR₅₀R₆₀— wherein R₅₀ and R₆₀ each, independently of the other, is a hydrogen atom, an alkyl group (including linear, branched, saturated, unsaturated, cyclic, unsubstituted, and substituted alkyl groups, and wherein hetero atoms, such as oxygen, nitrogen, sulfur, silicon, phosphorus, and the like either may or may not be placed between the carbon atoms in the alkyl group), typically with from 1 to about 50 carbon atoms, preferably with from about 2 to about 20 carbon atoms, and more preferably with from about 4 to about 12 carbon atoms, although the number of carbon atoms can be outside of these ranges, an aryl group (including unsubstituted and substituted aryl groups, and wherein hetero atoms, such as oxygen, sulfur, nitrogen, silicon, phosphorus, or the like, either may or may not be present in the aryl group), typically with from about 6 to about 50 carbon atoms, preferably with from about 6 to about 20 carbon atoms, and more preferably with from about 6 to about 10 carbon atoms, although the number of carbon atoms can be outside of these ranges, an arylalkyl group (including unsubstituted and substituted arylalkyl groups, and wherein hetero atoms, such as oxygen, nitrogen, sulfur, silicon, phosphorus, and the like either may or may not be present in either or both of the alkyl portion and the aryl portion of the arylalkyl group), typically with from about 7 to about 100 carbon atoms, preferably with from about 7 to about 50 carbon atoms, and more preferably with from about 7 to about 20 carbon atoms, although the number of carbon atoms can be outside of these ranges, or an alkylaryl group (including unsubstituted and substituted alkylaryl groups, and wherein hetero atoms, such as oxygen, nitrogen, sulfur, silicon, phosphorus, and the like either may or may not be present in either or both of the alkyl portion and the aryl portion of the alkylaryl group), typically with from about 7 to about 100 carbon atoms, preferably with from about 7 to about 50 carbon atoms, and more preferably with from about 7 to about 20 carbon atoms, although the number of carbon atoms can be outside of these ranges, and wherein R₆ can also be

wherein the substituents on the substituted alkyl, aryl, arylalkyl, alkylaryl, alkoxy, aryloxy, arylalkyloxy, alkylaryloxy, silyl, siloxane, polysilylene, and polysiloxane groups can be (but are not limited to) hydroxy groups, halogen atoms, amine groups, imine groups, ammonium groups, pyridine groups, pyridinium groups, ether groups, aldehyde groups, ester groups, amide groups, carbonyl groups, thiocarbonyl groups, sulfate groups, sulfonate groups, sulfide groups, sulfoxide groups, phosphine groups, phosphonium groups, phosphate groups, nitrile groups, mercapto groups, nitro groups, nitroso groups, sulfone groups, acyl groups, acid anhydride groups, azide groups, azo groups, cyanato groups, isocyanato groups, thiocyanato groups, isothiocyanato groups, alkoxy groups wherein the alkyl portion thereof is defined as alkyl is defined for R₁, aryloxy groups wherein the aryl portion thereof is defined as aryl is defined for R₁, arylalkyloxy groups wherein the arylalkyl portion thereof is defined as arylalkyl is defined for R₁, alkylaryloxy groups wherein the alkylaryl portion thereof is defined as alkylaryl is defined for R₁, polyalkyleneoxy groups, wherein the alkyl portion of the repeat alkyleneoxy groups typically has from about 1 to about 12 carbon atoms, although the number of carbon atoms can be outside of these ranges, such as a polyethyleneoxy group, a polypropyleneoxy group, a polybutyleneoxy group, or the like, and wherein the number of repeat alkyleneoxy groups typically is from about 2 to about 50 repeat alkyleneoxy groups, although the number of repeat units can be outside of these ranges, polyaryleneoxy groups, wherein the aryl portion of the repeat aryleneoxy groups typically has from about 6 to about 14 carbon atoms, although the number of carbon atoms can be outside of these ranges, such as a polyphenyleneoxy group, a polynaphthaleneoxy group, a polyphenanthreneoxy group, or the like, and wherein the number of repeat aryleneoxy groups typically is from about 2 to about 20 repeat aryleneoxy groups, although the number of repeat units can be outside of these ranges, polyarylalkyleneoxy groups, wherein the arylalkyl portion of the repeat arylalkyleneoxy groups typically has from about 7 to about 50 carbon atoms, although the number of carbon atoms can be outside of these ranges, such as a polybenzyleneoxy group, a polyphenylethyleneoxy group, or the like, and wherein the number of repeat arylalkyleneoxy groups typically is from about 2 to about 20 repeat arylalkyleneoxy groups, although the number of repeat units can be outside of these ranges, polyalkylaryleneoxy group, wherein the alkylaryl portion of the repeat alkylaryleneoxy groups typically has from about 7 to about 50 carbon atoms, although the number of carbon atoms can be outside of these ranges, such as a polytolueneoxy group or the like, and wherein the number of repeat alkylaryleneoxy groups typically is from about 2 to about 20 repeat alkylaryleneoxy groups, although the number of repeat units can be outside of these ranges, silyl groups, siloxane groups, polysilylene groups, typically with from 2 to about 100 repeat silylene units, although the number of repeat silylene units can be outside of this range, polysiloxane groups, typically with from 2 to about 200 repeat siloxane units, although the number of repeat siloxane units can be outside of this range, mixtures thereof, and the like, wherein two or more substituents can be joined together to form a ring.

In a specific embodiment, the compounds of the present invention are nonpolymeric.

Some specific examples of R₁ include hydrogen, groups of the formula —(CH₂)_(n)CH₃ wherein n is an integer of from 0 to about 40, such as methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl (also called arachidyl), and the like.

Some specific examples of R₂ include hydrogen, groups of the formula —(CH₂)_(n)CH₃ wherein n is an integer of from 0 to about 40, such as methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl (also called arachidyl), and the like.

Some specific examples of R₃ include hydrogen, groups of the formula —(CH₂)_(n)CH₃ wherein n is an integer of from 0 to about 40, such as methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl (also called arachidyl), and the like.

Some specific examples of R₄ include hydrogen, groups of the formula —(CH₂)_(n)CH₃ wherein n is an integer of from 0 to about 40, such as methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl (also called arachidyl), and the like.

Some specific examples of R₅ include hydrogen and the like.

Some specific examples of R₆ include hydrogen,

and the like.

Some specific examples of “n” include 1, 3, 5, 7, 9, and the like.

Some specific examples of compounds according to the present invention include

and the like, as well as mixtures thereof.

These materials can be prepared by any desired or suitable process. Another embodiment of the present invention is directed to a process for preparing a compound of the formula

wherein Z is a group of the formula —OR₁, a group of the formula —SR₁, or a group of the formula —NR₁R₂, Y is a group of the formula —OR₃, a group of the formula —SR₃, or a group of the formula —NR₃R₄, n is an integer representing the number of repeat —(CH₂)— or —(CH₂CH₂O)— units, wherein, provided that at least one of R₁, R₂, R₃, R₄, and R₆ is a hydrogen atom, provided that at least one of R₁, R₂, R₃, R₄, and R₆ is other than a hydrogen atom, and provided that at least one Z or Y within the compound is a group of the formula —NR₁R₂ or a group of the formula —NR₃R₄, R₁, R₂, R₃, R₄, R₆, and R₇ each, independently of the others, is (i) a hydrogen atom, (ii) an alkyl group, (iii) an aryl group, (iv) an arylalkyl group, or (v) an alkylaryl group, and wherein R₇ can also be (vi) an alkoxy group, (vii) an aryloxy group, (viii) an arylalkyloxy group, (ix) an alkylaryloxy group, (x) a polyalkyleneoxy group, (xi) a polyaryleneoxy group, (xii) a polyarylalkyleneoxy group, (xiii) a polyalkylaryleneoxy group, (xiv) a silyl group, (xv) a siloxane group, (xvi) a polysilylene group, (xvii) a polysiloxane group, or (xviii) a group of the formula

wherein r is an integer representing a number of repeat —CH₂— groups, wherein s is an integer representing a number of repeating —CH₂— groups, and wherein X is (a) a direct bond, (b) an oxygen atom, (c) a sulfur atom, (d) a group of the formula —NR₄₀— wherein R₄₀ is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, or (e) a group of the formula —CR₅₀R₆₀— wherein R₅₀ and R₆₀ each, independently of the other, is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R₆ can also be

which comprises (I) admixing a compound of the formula

with a cyanuric halide at a temperature below about 0° C.; and (II) thereafter adding thereto one or more amines of the formulae R₁R₂NH and R₃R₄NH, wherein R₁, R₂, R₃, and R₄ can be either the same as each other or different from each other and allowing the reactants to react at a temperature of at least about 60° C., thereby generating a compound of the formula

More specifically, compounds of the formulae

can be prepared from the corresponding amines. The reaction will be illustrated with the compound of the formula

it is to be understood that the compounds of the other four formulae can be made by analogous methods.

An amine compound of the formula

is reacted with a cyanuric halide, such as cyanuric chloride, cyanuric bromide, or the like, at reduced temperatures in an optional solvent. Thereafter, the amine or mixture of amines corresponding to the desired R group(s) is added to the reaction mixture and the reaction mixture is heated at reflux, as follows:

The compound of the formula

and the cyanuric halide are present in any desired or effective relative amounts, in one embodiment at least about 4 moles of cyanuric halide per every one mole of

in another embodiment at least about 4.4 moles of cyanuric halide per every one mole of

and in yet another embodiment at least about 5 moles of cyanuric halide per every one mole of

and in one embodiment no more than about 8 moles of cyanuric halide per every one mole of

in another embodiment no more than about 6 moles of cyanuric halide per every one mole of

and in another embodiment no more than about 4 moles of cyanuric halide per every one mole of

although the relative amounts can be outside of these ranges.

When R₆ is not hydrogen, and if R₆ is an electron withdrawing group, the reaction with the cyanuric halide may also be assisted by the presence of a strong non-nucleophilic base, such as sodium hydride (NaH). This strong non-nucleophilic base is added to the reaction mixture containing the compound of the formula

and the cyanuric halide in any desired or effective amount; for example, if it is desired to substitute each hydrogen atom on the —NHR₆ group with the triazine moiety, then about one molar equivalent of strong non-nucleophilic base is added for every —NHR₆ group desired to be substituted with the triazine moiety—for example, four equivalents in the reaction

The cyanuric halide and the compound of the formula

can be present in an optional solvent. Any desired or effective solvent can be used, such as tetrahydrofuran, dioxane, acetonitrile, toluene, benzene, dimethylformamide, mixtures thereof, or the like. When used, the solvent is present in any desired or effective amount, in one embodiment at least about 2 liters of solvent per every one mole of

in another embodiment at least about 3 liters of solvent per every one mole of

and in yet another embodiment at least about 4 liters of solvent per every one mole of

and in one embodiment no more than about 10 liters of solvent per every one mole of

in another embodiment no more than about 8 liters of solvent per every one mole of

and in yet another embodiment no more than about 6 liters of solvent per every one mole of

although the amount of solvent can be outside of these ranges.

The reaction mixture containing the cyanuric halide and the compound of the formula

is cooled to any desired or effective temperature, in one embodiment about −78° C., in another embodiment about −10° C., and in yet another embodiment about 0° C., although the temperature can be outside of these ranges.

The reaction mixture containing the compound of the formula

and the cyanuric halide is then allowed to warm to room temperature (typically about 20° C.).

Thereafter, the amine or mixture of amines corresponding to the desired R group(s) is added to the reaction mixture and the reaction mixture is heated at reflux. The amine or mixture of amines is present in any desired or effective relative amounts, in one embodiment at least about 8 moles of amine(s) per every one mole of

in another embodiment at least about 16 moles of amine(s) per every one mole of

and in yet another embodiment at least about 24 moles of amine(s) per every one mole of

and in one embodiment no more than about 32 moles of amine(s) per every one mole of

and in another embodiment no more than about 24 moles of amine(s) per every one mole of

although the relative amounts can be outside of these ranges.

The reaction mixture containing the amine or mixture of amines is heated to any desired or effective temperature, in one embodiment at least about 60° C., in another embodiment at least about 80° C., and in yet another embodiment at least about 100° C., and in one embodiment no more than about 180° C., in another embodiment no more than about 160° C., and in yet another embodiment no more than about 120° C., although the temperature can be outside of these ranges.

The reaction mixture is allowed to heat at reflux for any desired or effective period of time, in one embodiment at least about 60 minutes, in another embodiment at least about 90 minutes, and in yet another embodiment at least about 120 minutes, and in one embodiment no more than about 600 minutes, in another embodiment no more than about 540 minutes, and in yet another embodiment no more than about 480 minutes, although the time can be outside of these ranges.

Subsequent to completion of the reaction, the product can be purified.

Compounds of the formulae

can also be prepared by a two step process in which the corresponding amine is first converted to a 2,4-dichloro-1,3,5-triazine derivative and the 2,4-dichloro-1,3,5-triazine derivative is then converted to the desired compound. The reaction will be illustrated with the compound of the formula

it is to be understood that the compounds of the other four formulae can be made by analogous methods.

A amine compound of the formula

is reacted with a cyanuric halide, such as cyanuric chloride, cyanuric bromide, or the like, at reduced temperatures in an optional solvent, followed by reaction with a base, such as sodium carbonate, potassium carbonate, sodium hydroxide, potassium hydroxide, triethylamine, pyridine, diisopropylethylamine, mixtures thereof, or the like, as follows:

The compound of the formula

and the cyanuric halide are present in any desired or effective relative amounts, in one embodiment at least about 4 moles of cyanuric halide per every one mole of

in another embodiment at least about 4.4 moles of cyanuric halide per every one mole of

and in yet another embodiment at least about 5 moles of cyanuric halide per every one mole of

and in one embodiment no more than about 8 moles of cyanuric halide per every one mole of

in another embodiment no more than about 6 moles of cyanuric halide per every one mole of

and in another embodiment no more than about 4 moles of cyanuric halide per every one mole of

although the relative amounts can be outside of these ranges.

When R₆ is not hydrogen, and if R₆ is an electron withdrawing group, the reaction with the cyanuric halide may also be assisted by the presence of a strong non-nucleophilic base, such as sodium hydride (NaH). This strong non-nucleophilic base is added to the reaction mixture containing the compound of the formula

and the cyanuric halide in any desired or effective amount; for example, if it is desired to substitute each hydrogen atom on the —NHR₆ group with the triazine moiety, then about one molar equivalent of strong non-nucleophilic base is added for every —NHR₆ group desired to be substituted with the triazine moiety—for example, four equivalents in the reaction

The cyanuric halide and the compound of the formula

can be present in an optional solvent. Any desired or effective solvent can be used, such as tetrahydrofuran, acetone, dioxane, toluene, benzene, acetonitrile, mixtures thereof, or the like. When present, the solvent is present in any desired or effective amount, in one embodiment at least about 2 liters of solvent per every one mole of

in another embodiment at least about 3 liters of solvent per every one mole of

and in yet another embodiment at least about 4 liters of solvent per every one mole of

and in one embodiment no more than about 10 liters of solvent per every one mole of

in another embodiment no more than about 9 liters of solvent per every one mole of

and in yet another embodiment no more than about 8 liters of solvent per every one mole of

although the amount of solvent can be outside of these ranges.

The reaction mixture containing the cyanuric halide and the compound of the formula

is cooled to any desired or effective temperature, in one embodiment about −78° C., in another embodiment about −10° C., and in yet another embodiment about 0° C., although the temperature can be outside of these ranges.

The reaction mixture containing the cyanuric halide and the compound of the formula

is maintained at the cooled temperature for any desired or effective period of time, in one embodiment for at least about 5 minutes, in another embodiment for at least about 10 minutes, and in yet another embodiment for at least about 20 minutes, and in one embodiment for no more than about 600 minutes, in another embodiment for no more than about 540 minutes, and in yet another embodiment for no more than about 480 minutes, although the time can be outside of these ranges.

Thereafter, the reaction mixture is added with the base to cold water to precipitate the desired product. The base can be present in any desired or effective amount, in one embodiment at least about 4 moles of base per every one mole of

in another embodiment at least about 5 moles of base per every one mole of

and in yet another embodiment at least about 6 moles of base per every one mole of

and in one embodiment no more than about 24 moles of base per every one mole of

in another embodiment no more than about 16 moles of base per every one mole of

and in another embodiment no more than about 8 moles of base per every one mole of

although the relative amounts can be outside of these ranges.

Subsequent to completion of the reaction, the product can be purified.

The product thus prepared is of the formula

This compound is then reacted with the amine or mixture of amines corresponding to the desired R group(s) at reflux to give the desired compound according to the present invention, as follows:

The amine or mixture of amines is present in any desired or effective relative amounts, in one embodiment at least about 8 moles of amine(s) per every one mole of

in another embodiment at least about 16 moles of amine(s) per every one mole of

and in yet another embodiment at least about 24 moles of amine(s) per every one mole of

and in one embodiment no more than about 36 moles of amine(s) per every one mole of

and in another embodiment no more than about 24 moles of amine(s) per every one mole of

although the relative amounts can be outside of these ranges.

The amine(s) and the compound of the formula

can be present in an optional solvent. Any desired or effective solvent can be used, such as dioxane, tetrahydrofuran, dimethylformamide, benzene, toluene, acetonitrile, mixtures thereof, or the like. When present, the solvent is present in any desired or effective amount, in one embodiment at least about 2 liters of solvent per every one mole of

in another embodiment at least about 3 liters of solvent per every one mole of

and in yet another embodiment at least about 4 liters of solvent per every one mole of

and in one embodiment no more than about 12 liters of solvent per every one mole of

in another embodiment no more than about 11 liters of solvent per every one mole of

and in yet another embodiment no more than about 10 liters of solvent per every one mole of

although the amount of solvent can be outside of these ranges.

The reaction mixture containing the amine or mixture of amines and the compound of the formula

is heated to any desired or effective temperature, in one embodiment at least about 60° C., in another embodiment at least about 80° C., and in yet another embodiment at least about 100° C., and in one embodiment no more than about 180° C., in another embodiment no more than about 160° C., and in yet another embodiment no more than about 140° C., although the temperature can be outside of these ranges.

The reaction mixture is allowed to heat at reflux for any desired or effective period of time, in one embodiment at least about 30 minutes, in another embodiment at least about 60 minutes, and in yet another embodiment at least about 90 minutes, and in one embodiment no more than about 600 minutes, in another embodiment no more than about 540 minutes, and in yet another embodiment no more than about 480 minutes, although the time can be outside of these ranges.

Subsequent to completion of the reaction, the product can be purified.

Starting materials such as

can be prepared as described in Parts A through D of Example I hereinbelow, or as described in, for example, U.S. Pat. No. 2,703,808; M. F. Shostakovskii et al., Zhurnal Obshchei Khimii, Vol. 35, p. 804 (1965); and J. N. Ashley et al., J. Chem. Soc., 1958, p. 3293, the disclosures of each of which are totally incorporated herein by reference.

Another embodiment of the present invention is directed to a process for preparing a compound of the formula

wherein n is an integer representing the number of repeat —(CH₂)— or —(CH₂CH₂O)— units, wherein, provided that at least one of R₁, R₂, R₃, R₄, and R₅ is a hydrogen atom, provided that at least one of R₁, R₂, R₃, R₄, and R₅ is other than a hydrogen atom, R₁, R₂, R₃, R₄, R₅, and R₇ each, independently of the others, is (i) a hydrogen atom, (ii) an alkyl group, (iii) an aryl group, (iv) an arylalkyl group, or (v) an alkylaryl group, and wherein R₇ can also be (vi) an alkoxy group, (vii) an aryloxy group, (viii) an arylalkyloxy group, (ix) an alkylaryloxy group, (x) a polyalkyleneoxy group, (xi) a polyaryleneoxy group, (xii) a polyarylalkyleneoxy group, (xiii) a polyalkylaryleneoxy group, (xiv) a silyl group, (xv) a siloxane group, (xvi) a polysilylene group, (xvii) a polysiloxane group, or (xviii) a group of the formula

wherein r is an integer representing a number of repeat —CH₂— groups, wherein s is an integer representing a number of repeating —CH₂— groups, and wherein X is (a) a direct bond, (b) an oxygen atom, (c) a sulfur atom, (d) a group of the formula —NR₄₀— wherein R₄₀ is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, or (e) a group of the formula —CR₅₀R₆₀— wherein R₅₀ and R₆₀ each, independently of the other, is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group which comprises (I) admixing a compound of the formula

with a phosgenating agent and a non-nucleophilic base at a temperature below about 0° C.; and (II) thereafter adding thereto one or more amines of the formulae R₁R₂NH and R₃R₄NH, wherein R₁, R₂, R₃, and R₄ can be either the same as each other or different from each other and allowing the reactants to react at a temperature of at least about 60° C., thereby generating a compound of the formula

More specifically, compounds of the formulae

can be prepared from the corresponding amines. The reaction will be illustrated with the compound of the formula

it is to be understood that the compounds of the other four formulae can be made by analogous methods.

An amine compound of the formula

is first made to react with a phosgenating agent, such as phosgene, diphosgene, triphosgene, mixtures thereof, or the like, and a non-nucleophilic base, such as triethylamine, diisopropylethylamine, pyridine, mixtures thereof, or the like, in the presence of an optional solvent at reduced temperatures. Thereafter, the reaction mixture is warmed and the amine or mixture of amines corresponding to the desired R groups is added to the reaction mixture and the mixture is further heated, as follows:

The compound of the formula

and the phosgenating agent are present in any desired or effective relative amounts, in one embodiment at least about 0.66 mole of phosgenating agent per every one mole of

in another embodiment at least about 0.75 mole of phosgenating agent per every one mole of

and in yet another embodiment at least about 0.8 mole of phosgenating agent per every one mole of

and in one embodiment no more than about 1 mole of phosgenating agent per every one mole of

although the relative amounts can be outside of these ranges.

The compound of the formula

and the base are present in any desired or effective relative amounts, in one embodiment at least about 4 moles of base per every one mole of

in another embodiment at least about 4.5 moles of base per every one mole of

and in yet another embodiment at least about 5 moles of base per every one mole of

and in one embodiment no more than about 8 moles of base per every one mole of

in another embodiment no more than about 7 moles of base per every one mole of

and in yet another embodiment no more than about 6 moles of base per every one mole of

although the relative amounts can be outside of these ranges.

The compound of the formula

the phosgenating agent, and the base can be made to react in an optional solvent. Any desired or effective solvent can be used, such as tetrahydrofuran, dioxane, benzene, toluene, dimethylformamide, mixtures thereof, or the like. When used, the solvent is present in any desired or effective amount, in one embodiment at least about 2 liters of solvent per every one mole of

in another embodiment at least about 3 liters of solvent per every one mole of

and in yet another embodiment at least about 4 liters of solvent per every one mole of

and in one embodiment no more than about 12 liters of solvent per every one mole of

in another embodiment no more than about 10 liters of solvent per every one mole of

and in yet another embodiment no more than about 8 liters of solvent per every one mole of

although the amount of solvent can be outside of these ranges.

The reaction mixture containing the

the phosgenating agent, and the base is cooled to any desired or effective temperature, in one embodiment about −78° C., in another embodiment about −10° C., and in yet another embodiment about 0° C., although the temperature can be outside of these ranges.

The reaction mixture containing the

the phosgenating agent, and the base is then allowed to warm to room temperature (typically about 20° C.).

Thereafter, the amine or mixture of amines corresponding to the desired R group(s) is added to the reaction mixture and the reaction mixture is heated. The amine or mixture of amines is present in any desired or effective relative amounts, in one embodiment at least about 2 moles of amine(s) per every one mole of

in another embodiment at least about 2.5 moles of amine(s) per every one mole of

and in yet another embodiment at least about 3 moles of amine(s) per every one mole of

and in one embodiment no more than about 6 moles of amine(s) per every one mole of

in another embodiment no more than about 5 moles of amine(s) per every one mole of

and in yet another embodiment no more than about 4 moles of amine(s) per every one mole of

although the relative amounts can be outside of these ranges.

The reaction mixture containing the amine or mixture of amines is heated to any desired or effective temperature, in one embodiment at least about 25° C., in another embodiment at least about 40° C., and in yet another embodiment at least about 50° C., and in one embodiment no more than about 100° C., in another embodiment no more than about 80° C., and in yet another embodiment no more than about 60° C., although the temperature can be outside of these ranges.

The reaction mixture is heated for any desired or effective period of time, in one embodiment at least about 5 minutes, in another embodiment at least about 20 minutes, and in yet another embodiment at least about 30 minutes, and in one embodiment no more than about 300 minutes, in another embodiment no more than about 240 minutes, and in yet another embodiment no more than about 180 minutes, although the time can be outside of these ranges.

The reaction mixture can then be cooled to room temperature and added to water to precipitate the product.

Subsequent to completion of the reaction, the product can be purified.

Starting materials such as

can be prepared as described in Parts A and B of Example VIII hereinbelow.

The ureas and the triaminotriazines in the phase change ink carriers of the inks of the present invention form reversible hydrogen bonds, resulting in the formation of dimers, oligomers, polymers, or polymer networks held together by hydrogen bonds instead of covalent bonds. An example of such bond formation is illustrated as follows:

While not being limited to any particular theory, it is believed that in the inks of the present invention, some of these hydrogen bonds can be broken at the temperatures at which hot melt ink jet printing occurs (typically, although not necessarily, over 100° C.). When the ink is printed onto an intermediate transfer member or a final recording substrate, the ink cools as it is printed, which results in reformation of any hydrogen bonds broken by heating. The polymer-like materials thus formed behave like conventional covalently-bonded polymers to enhance image permanence.

The formation of hydrogen-bonded oligomers or polymers from specific ink carrier materials can be determined by any desired method. For example, a dramatic onset of resinous and viscoelastic characteristics on cooling is indicative of the formation of hydrogen-bonded oligomers or polymers from the ink carrier material or combination of materials. The formation of hydrogen bonds and hydrogen-bonded oligomers or polymers can also be detected by IR spectroscopy. NMR spectroscopy may also help to detect the presence of hydrogen-bonded oligomers or polymers. In situations wherein the ink carrier material is crystalline, X-ray crystallography can be used to define the oligomeric or polymeric structure.

In the direct printing mode, the phase change carrier composition in one embodiment contains one or more materials that enable the phase change ink (1) to be applied in a thin film of uniform thickness on the final recording substrate (such as paper, transparency material, and the like) when cooled to ambient temperature after printing directly to the recording substrate, (2) to be ductile while retaining sufficient flexibility so that the applied image on the substrate will not fracture upon bending, and (3) to possess a high degree of lightness, chroma, transparency, and thermal stability.

In an offset printing transfer or indirect printing mode, the phase change carrier composition in one embodiment exhibits not only the characteristics desirable for direct printing mode inks, but also certain fluidic and mechanical properties desirable for use in such a system, as described in, for example, U.S. Pat. No. 5,389,958, the disclosure of which is totally incorporated herein by reference.

In some embodiments of the present invention, the compound of the present invention functions as the sole phase change ink carrier for the ink composition. In other embodiments, if desired, other phase change ink carrier materials can be present in combination with the compound of the present invention.

When the compounds of the present invention are present in combination with other phase change ink carrier materials, the compounds of the formulae

are present in any desired or effective amount, in one embodiment at least about 0.1 percent by weight of the ink composition, in another embodiment at least about 1 percent by weight of the ink composition, in yet another embodiment at least about 5 percent by weight of the ink composition, and in still another embodiment at least about 10 percent by weight of the ink composition, and in one embodiment no more than about 40 percent by weight of the ink composition, in another embodiment no more than about 25 percent by weight of the ink composition, in yet another embodiment no more than about 20 percent by weight of the ink composition, and in still another embodiment no more than about 15 percent by weight of the ink composition, although the amount of this material in the ink can be outside of these ranges.

When other phase change ink carrier materials are used in combination with the compounds of the present invention, any desired or effective carrier composition can be used. Examples of suitable ink carrier materials include fatty amides, such as monoamides, tetraamides, mixtures thereof, and the like. Specific examples of suitable fatty amide ink carrier materials include stearyl stearamide, a dimer acid based tetra-amide that is the reaction product of dimer acid, ethylene diamine, and stearic acid, a dimer acid based tetra-amide that is the reaction product of dimer acid, ethylene diamine, and a carboxylic acid having at least about 36 carbon atoms, and the like, as well as mixtures thereof. When the fatty amide ink carrier is a dimer acid based tetra-amide that is the reaction product of dimer acid, ethylene diamine, and a carboxylic acid having at least about 36 carbon atoms, the carboxylic acid is of the general formula

wherein R is an alkyl group, including linear, branched, saturated, unsaturated, and cyclic alkyl groups, said alkyl group in one embodiment having at least about 36 carbon atoms, in another embodiment having at least about 40 carbon atoms, said alkyl group in one embodiment having no more than about 200 carbon atoms, in another embodiment having no more than about 150 carbon atoms, and in yet another embodiment having no more than about 100 carbon atoms, although the number of carbon atoms can be outside of these ranges. Carboxylic acids of this formula are commercially available from, for example, Baker Petrolite, Tulsa, Okla., and can also be prepared as described in Example 1 of U.S. Pat. No. 6,174,937, the disclosure of which is totally incorporated herein by reference. Further information on fatty amide carrier materials is disclosed in, for example, U.S. Pat. No. 4,889,560, U.S. Pat. No. 4,889,761, U.S. Pat. No. 5,194,638, U.S. Pat. No. 4,830,671, U.S. Pat. No. 6,174,937, U.S. Pat. No. 5,372,852, U.S. Pat. No. 5,597,856, U.S. Pat. No. 6,174,937, and British Patent GB 2 238 792, the disclosures of each of which are totally incorporated herein by reference.

Also suitable as phase change ink carrier materials are isocyanate-derived resins and waxes, such as urethane isocyanate-derived materials, urea isocyanate-derived materials, urethane/urea isocyanate-derived materials, mixtures thereof, and the like. Further information on isocyanate-derived carrier materials is disclosed in, for example, U.S. Pat. No. 5,750,604, U.S. Pat. No. 5,780,528, U.S. Pat. No. 5,782,966, U.S. Pat. No. 5,783,658, U.S. Pat. No. 5,827,918, U.S. Pat. No. 5,830,942, U.S. Pat. No. 5,919,839, U.S. Pat. No. 6,255,432, U.S. Pat. No. 6,309,453, British Patent GB 2 294 939, British Patent GB 2 305 928, British Patent GB 2 305 670, British Patent GB 2 290 793, PCT Publication WO 94/14902, PCT Publication WO 97/12003, PCT Publication WO 97/13816, PCT Publication WO 96/14364, PCT Publication WO 97/33943, and PCT Publication WO 95/04760, the disclosures of each of which are totally incorporated herein by reference.

Mixtures of fatty amide materials and isocyanate-derived materials can also be employed as the ink carrier composition for inks of the present invention.

Additional suitable phase change ink carrier materials for the present invention include paraffins, microcrystalline waxes, polyethylene waxes, ester waxes, amide waxes, fatty acids, fatty alcohols, fatty amides and other waxy materials, sulfonamide materials, resinous materials made from different natural sources (such as, for example, tall oil rosins and rosin esters), and many synthetic resins, oligomers, polymers and copolymers, such as ethylene/vinyl acetate copolymers, ethylene/acrylic acid copolymers, ethylene/vinyl acetate/acrylic acid copolymers, copolymers of acrylic acid with polyamides, and the like, ionomers, and the like, as well as mixtures thereof. One or more of these materials can also be employed in a mixture with a fatty amide material and/or an isocyanate-derived material.

In one specific embodiment, the phase change ink carrier comprises the ink carrier comprises (a) a polyethylene wax, present in the ink in an amount in one embodiment of at least about 25 percent by weight of the ink, in another embodiment of at least about 30 percent by weight of the ink, and in yet another embodiment of at least about 37 percent by weight of the ink, and in one embodiment of no more than about 60 percent by weight of the ink, in another embodiment of no more than about 53 percent by weight of the ink, and in yet another embodiment of no more than about 48 percent by weight of the ink, although the amount can be outside of these ranges; (b) a stearyl stearamide wax, present in the ink in an amount in one embodiment of at least about 8 percent by weight of the ink, in another embodiment of at least about 10 percent by weight of the ink, and in yet another embodiment of at least about 12 percent by weight of the ink, and in one embodiment of no more than about 32 percent by weight of the ink, in another embodiment of no more than about 28 percent by weight of the ink, and in yet another embodiment of no more than about 25 percent by weight of the ink, although the amount can be outside of these ranges; (c) a dimer acid based tetra-amide that is the reaction product of dimer acid, ethylene diamine, and a carboxylic acid derivative of a long chain alcohol having greater than thirty six carbon atoms, present in the ink in an amount in one embodiment of at least about 10 percent by weight of the ink, in another embodiment of at least about 13 percent by weight of the ink, and in yet another embodiment of at least about 16 percent by weight of the ink, and in one embodiment of no more than about 32 percent by weight of the ink, in another embodiment of no more than about 27 percent by weight of the ink, and in yet another embodiment of no more than about 22 percent by weight of the ink, although the amount can be outside of these ranges; (d) a urethane resin derived from the reaction of two equivalents of hydroabietyl alcohol and one equivalent of isophorone diisocyanate, present in the ink in an amount in one embodiment of at least about 6 percent by weight of the ink, in another embodiment of at least about 8 percent by weight of the ink, and in yet another embodiment of at least about 10 percent by weight of the ink, and in one embodiment of no more than about 16 percent by weight of the ink, in another embodiment of no more than about 14 percent by weight of the ink, and in yet another embodiment of no more than about 12 percent by weight of the ink, although the amount can be outside of these ranges; (e) a urethane resin that is the adduct of three equivalents of stearyl isocyanate and a glycerol-based alcohol, present in the ink in an amount in one embodiment of at least about 2 percent by weight of the ink, in another embodiment of at least about 3 percent by weight of the ink, and in yet another embodiment of at least about 4.5 percent by weight of the ink, and in one embodiment of no more than about 13 percent by weight of the ink, in another embodiment of no more than about 10 percent by weight of the ink, and in yet another embodiment of no more than about 7.5 percent by weight of the ink, although the amount can be outside of these ranges; and (f) an antioxidant, present in the ink in an amount in one embodiment of at least about 0.01 percent by weight of the ink, in another embodiment of at least about 0.05 percent by weight of the ink, and in yet another embodiment of at least about 0.1 percent by weight of the ink, and in one embodiment of no more than about 1 percent by weight of the ink, in another embodiment of no more than about 0.5 percent by weight of the ink, and in yet another embodiment of no more than about 0.3 percent by weight of the ink, although the amount can be outside of these ranges.

The ink carrier is present in the phase change ink of the present invention in any desired or effective amount, in one embodiment of at least about 0.1 percent by weight of the ink, in another embodiment of at least about 50 percent by weight of the ink, and in yet another embodiment of at least about 90 percent by weight of the ink, and in one embodiment of no more than about 99 percent by weight of the ink, in another embodiment of no more than about 98 percent by weight of the ink, and in yet another embodiment of no more than about 95 percent by weight of the ink, although the amount can be outside of these ranges.

Any desired or effective colorant can be employed in the inks of the present invention, including dyes, pigments, mixtures thereof, and the like, provided that the colorant can be dissolved or dispersed in the phase change ink carrier. The phase change carrier compositions of the current invention can be used in combination with conventional phase change ink colorant materials, such as Color Index (C.I.) Solvent Dyes, Disperse Dyes, modified Acid and Direct Dyes, Basic Dyes, Sulphur Dyes, Vat Dyes, and the like. Examples of suitable dyes include Neozapon Red 492 (BASF); Orasol Red G (Ciba-Geigy); Direct Brilliant Pink B (Crompton & Knowles); Aizen Spilon Red C-BH (Hodogaya Chemical); Kayanol Red 3BL (Nippon Kayaku); Levanol Brilliant Red 3BW (Mobay Chemical); Levaderm Lemon Yellow (Mobay Chemical); Spirit Fast Yellow 3G; Aizen Spilon Yellow C-GNH (Hodogaya Chemical); Sirius Supra Yellow GD 167; Cartasol Brilliant Yellow 4GF (Sandoz); Pergasol Yellow CGP (Ciba-Geigy); Orasol Black RLP (Ciba-Geigy); Savinyl Black RLS (Sandoz); Dermacarbon 2GT (Sandoz); Pyrazol Black BG (ICI); Morfast Black Conc. A (Morton-Thiokol); Diaazol Black RN Quad (ICI); Orasol Blue GN (Ciba-Geigy); Savinyl Blue GLS (Sandoz); Luxol Blue MBSN (Morton-Thiokol); Sevron Blue 5GMF (ICI); Basacid Blue 750 (BASF), Neozapon Black X51 [C.I. Solvent Black, C.I. 12195] (BASF), Sudan Blue 670 [C.I. 61554] (BASF), Sudan Yellow 146 [C.I. 12700] (BASF), Sudan Red 462 [C.I. 26050] (BASF), Intratherm Yellow 346 from Crompton and Knowles, C.I. Disperse Yellow 238, Neptune Red Base NB543 (BASF, C.I. Solvent Red 49), Neopen Blue FF-4012 from BASF, Lampronol Black BR from ICI (C.I. Solvent Black 35), Morton Morplas Magenta 36 (C.I. Solvent Red 172), metal phthalocyanine colorants such as those disclosed in U.S. Pat. No. 6,221,137, the disclosure of which is totally incorporated herein by reference, and the like. Polymeric dyes can also be used, such as those disclosed in, for example, U.S. Pat. No. 5,621,022 and U.S. Pat. No. 5,231,135, the disclosures of each of which are totally incorporated herein by reference, and commercially available from, for example, Milliken & Company as Milliken Ink Yellow 869, Milliken Ink Blue 92, Milliken Ink Red 357, Milliken Ink Yellow 1800, Milliken Ink Black 8915-67, uncut Reactant Orange X-38, uncut Reactant Blue X-17, and uncut Reactant Violet X-80.

Pigments are also suitable colorants for the phase change inks of the present invention. Examples of suitable pigments include Violet Toner VT-8015 (Paul Uhlich); Paliogen Violet 5100 (BASF); Paliogen Violet 5890 (BASF); Permanent Violet VT 2645 (Paul Uhlich); Heliogen Green L8730 (BASF); Argyle Green XP-111-S (Paul Uhlich); Brilliant Green Toner GR 0991 (Paul Uhlich); Lithol Scarlet D3700 (BASF); Toluidine Red (Aldrich); Scarlet for Thermoplast NSD PS PA (Ugine Kuhlmann of Canada); E.D. Toluidine Red (Aldrich); Lithol Rubine Toner (Paul Uhlich); Lithol Scarlet 4440 (BASF); Bon Red C. (Dominion Color Company); Royal Brilliant Red RD-8192 (Paul Uhlich); Oracet Pink RF (Ciba-Geigy); Paliogen Red 3871 K (BASF); Paliogen Red 3340 (BASF); Lithol Fast Scarlet L4300 (BASF); Heliogen Blue L6900, L7020 (BASF); Heliogen Blue K6902, K6910 (BASF); Heliogen Blue D6840, D7080 (BASF); Sudan Blue OS (BASF); Neopen Blue FF4012 (BASF); PV Fast Blue B2G01 (American Hoechst); Irgalite Blue BCA (Ciba-Geigy); Paliogen Blue 6470 (BASF); Sudan III (Red Orange) (Matheson, Colemen Bell); Sudan II (Orange) (Matheson, Colemen Bell); Sudan Orange G (Aldrich), Sudan Orange 220 (BASF); Paliogen Orange 3040 (BASF); Ortho Orange OR 2673 (Paul Uhlich); Paliogen Yellow 152, 1560 (BASF); Lithol Fast Yellow 0991 K (BASF); Paliotol Yellow 1840 (BASF); Novoperm Yellow FGL (Hoechst); Permanent Yellow YE 0305 (Paul Uhlich); Lumogen Yellow D0790 (BASF); Suco-Yellow L1250 (BASF); Suco-Yellow D1355 (BASF); Suco Fast Yellow D1355, D1351 (BASF); Hostaperm Pink E (American Hoechst); Fanal Pink D4830 (BASF); Cinquasia Magenta (Du Pont); Paliogen Black L0084 (BASF); Pigment Black K801 (BASF); and carbon blacks such as REGAL 330® (Cabot), Carbon Black 5250, Carbon Black 5750 (Columbia Chemical), and the like.

Also suitable as colorants are the isocyanate-derived colored resins disclosed in U.S. Pat. No. 5,780,528, the disclosure of which is totally incorporated herein by reference.

Also suitable are the colorants disclosed in Application U.S. Ser. No. 10/072,241, filed Feb. 8, 2002, now U.S. Pat. No. 6,472,523, entitled “Phthalocyanine Compositions,” Application U.S. Ser. No. 10/072,210, filed Feb. 8, 2002, U.S. Publication No. 20030172841, entitled, “Ink Compositions Containing Phthalocyanines,” Application U.S. Ser. No. 10/072,237, filed Feb. 8, 2002, now U.S. Pat. No. 6,476,219, entitled “Methods For Preparing Phthalocyanine Compositions,” Application U.S. Ser. No. 10/185,261, filed Jun. 27, 2002, now U.S. Pat. No. 6,576,747, entitled “Processes for Preparing Dianthranilate Compounds and Diazopyridone Colorants,” Application U.S. Ser. No. 10/185,994, filed Jun. 27, 2002, U.S. Publication No. 20040010058, entitled “Dimeric Azo Pyridone Colorants,” Application U.S. Ser. No. 10/184,269, filed Jun. 27, 2002, now U.S. Pat. No. 6,663,703, entitled “Phase Change Inks Containing Dimeric Azo Pyridone Colorants,” Application U.S. Ser. No. 10/185,264, filed Jun. 27, 2002, U.S. Publication No. 20040007155, entitled “Phase Change Inks Containing Azo Pyridone Colorants,” Application U.S. Ser. No. 10/186,024, filed Jun. 27, 2002, now U.S. Pat. No. 6,590,082, entitled. “Azo Pyridone Colorants,” Application U.S. Ser. No. 10/185,597, filed Jun. 27, 2002, now U.S. Pat. No. 6,696,552, entitled “Process for Preparing Substituted Pyridone Compounds,” application U.S. Ser. No. 10/185,828, filed Jun. 27, 2002, now U.S. Pat. No. 6,576,748, entitled “Method for Making Dimeric Azo Pyridone Colorants,” application U.S. Ser. No. 10/186,023, filed Jun. 27, 2002, now U.S. Pat. No. 6,646,111, entitled “Dimeric Azo Pyridone Colorants,” and Application U.S. Ser. No. 10/184,266, filed Jun. 27, 2002, now U.S. Pat. No. 6,673,139, entitled “Phase Change Inks Containing Dimeric Azo Pyridone Colorants,” the disclosures of each of which are totally incorporated herein by reference.

Other ink colors besides the subtractive primary colors can be desirable for applications such as postal marking or industrial marking and labeling using phase change printing, and the present invention is applicable to these needs. Further, infrared (1R) or ultraviolet (UV) absorbing dyes can also be incorporated into the inks of the present invention for use in applications such as “invisible” coding or marking of products. Examples of such infrared and ultraviolet absorbing dyes are disclosed in, for example, U.S. Pat. No. 5,378,574, U.S. Pat. No. 5,146,087, U.S. Pat. No. 5,145,518, U.S. Pat. No. 5,543,177, U.S. Pat. No. 5,225,900, U.S. Pat. No. 5,301,044, U.S. Pat. No. 5,286,286, U.S. Pat. No. 5,275,647, U.S. Pat. No. 5,208,630, U.S. Pat. No. 5,202,265, U.S. Pat. No. 5,271,764, U.S. Pat. No. 5,256,193, U.S. Pat. No. 5,385,803, and U.S. Pat. No. 5,554,480, the disclosures of each of which are totally incorporated herein by reference.

The colorant is present in the phase change ink of the present invention in any desired or effective amount to obtain the desired color or hue, in one embodiment at least about 0.1 percent by weight of the ink, in another embodiment at least about 0.5 percent by weight of the ink, and in yet another embodiment at least about 2 percent by weight of the ink, and in one embodiment no more than about 15 percent by weight of the ink, in another embodiment no more than about 10 percent by weight of the ink, in yet another embodiment no more than about 8 percent by weight of the ink, and in still another embodiment no more than about 6 percent by weight of the ink, although the amount can be outside of these ranges.

The inks of the present invention can also optionally contain an antioxidant. The optional antioxidants of the ink compositions protect the images from oxidation and also protect the ink components from oxidation during the heating portion of the ink preparation process. Specific examples of suitable antioxidants include NAUGUARD® 524, NAUGUARD® 76, and NAUGUARD® 512, commercially available from Uniroyal Chemical Company, Oxford, Conn., IRGANOX® 1010, commercially available from Ciba Geigy, and the like. When present, the optional antioxidant is present in the ink in any desired or effective amount, in one embodiment of at least about 0.01 percent by weight of the ink, in another embodiment of at least about 0.1 percent by weight of the ink, and in yet another embodiment of at least about 1 percent by weight of the ink, and in one embodiment of no more than about 20 percent by weight of the ink, in another embodiment of no more than about 5 percent by weight of the ink, and in yet another embodiment of no more than about 3 percent by weight of the ink, although the amount can be outside of these ranges.

The inks of the present invention can also optionally contain a viscosity modifier. Examples of suitable viscosity modifiers include aliphatic ketones, such as stearone, and the like. When present, the optional viscosity modifier is present in the ink in any desired or effective amount, in one embodiment of at least about 0.1 percent by weight of the ink, in another embodiment of at least about 1 percent by weight of the ink, and in yet another embodiment of at least about 10 percent by weight of the ink, and in one embodiment of no more than about 99 percent by weight of the ink, in another embodiment of no more than about 30 percent by weight of the ink, and in yet another embodiment of no more than about 15 percent by weight of the ink, although the amount can be outside of these ranges.

Other optional additives to the inks include clarifiers, such as UNION CAMP® X37-523-235 (commercially available from Union Camp), in an amount in one embodiment of at least about 0.01 percent by weight of the ink, in another embodiment of at least about 0.1 percent by weight of the ink, and in yet another embodiment of at least about 5 percent by weight of the ink, and in one embodiment of no more than about 98 percent by weight of the ink, in another embodiment of no more than about 50 percent by weight of the ink, and in yet another embodiment of no more than about 10 percent by weight of the ink, although the amount can be outside of these ranges, tackifiers, such as FORAL® 85, a glycerol ester of hydrogenated abietic (rosin) acid (commercially available from Hercules), FORAL® 105, a pentaerythritol ester of hydroabietic (rosin) acid (commercially available from Hercules), CELLOLYN® 21, a hydroabietic (rosin) alcohol ester of phthalic acid (commercially available from Hercules), ARAKAWA KE-311 Resin, a triglyceride of hydrogenated abietic (rosin) acid (commercially available from Arakawa Chemical Industries, Ltd.), synthetic polyterpene resins such as NEVTAC® 2300, NEVTAC® 100, and NEVTAC® 80 (commercially available from Neville Chemical Company), WINGTACK® 86, a modified synthetic polyterpene resin (commercially available from Goodyear), and the like, in an amount in one embodiment of at least about 0.1 percent by weight of the ink, in another embodiment of at least about 5 percent by weight of the ink, and in yet another embodiment of at least about 10 percent by weight of the ink, and in one embodiment of no more than about 98 percent by weight of the ink, in another embodiment of no more than about 75 percent by weight of the ink, and in yet another embodiment of no more than about 50 percent by weight of the ink, although the amount can be outside of these range, adhesives, such as VERSAMID® 757, 759, or 744 (commercially available from Henkel), in an amount in one embodiment of at least about 0.1 percent by weight of the ink, in another embodiment of at least about 1 percent by weight of the ink, and in yet another embodiment of at least about 5 percent by weight of the ink, and in one embodiment of no more than about 98 percent by weight of the ink, in another embodiment of no more than about 50 percent by weight of the ink, and in yet another embodiment of no more than about 10 percent by weight of the ink, although the amount can be outside of these ranges, plasticizers, such as UNIPLEX® 250 (commercially available from Uniplex), the phthalate ester plasticizers commercially available from Monsanto under the trade name SANTICIZER®, such as dioctyl phthalate, diundecyl phthalate, alkylbenzyl phthalate (SANTICIZER® 278), triphenyl phosphate (commercially available from Monsanto), KP-140®, a tributoxyethyl phosphate (commercially available from FMC Corporation), MORFLEX® 150, a dicyclohexyl phthalate (commercially available from Morflex Chemical Company Inc.), trioctyl trimellitate (commercially available from Eastman Kodak Co.), and the like, in an amount in one embodiment of at least about 0.1 percent by weight of the ink, in another embodiment of at least about 1 percent by weight of the ink, and in yet another embodiment of at least about 2 percent by weight of the ink, and in one embodiment of no more than about 50 percent by weight of the ink, in another embodiment of no more than about 30 percent by weight of the ink, and in yet another embodiment of no more than about 10 percent by weight of the ink, although the amount can be outside of these ranges, and the like.

Optionally, the inks of the present invention contain a component that, in its pure form, is a liquid at room temperature (typically about 20° C.), but, when incorporated into the inks of the present invention, enable the ink to be a solid at 35° C. or higher. The selected liquid or mixture of liquids are chosen to be compatible with the other ink components, and can be either polar or nonpolar in nature. Specific examples of suitable liquids include aliphatic hydrocarbons, including those with boiling points of about 150° C. or higher, such as squalene, ISOPAR® V, and the like, polar liquids such as glycol ethers, esters, amides, alcohols, and the like, with specific examples including butyl carbitol, tripropylene glycol monomethyl ether, 1-phenoxy-2-propanol, dibutyl phthalate, dibutyl sebacate, 1-dodecanol, and the like, as well as mixtures thereof.

The ink compositions of the present invention typically are solid at temperatures of about 35° C. and lower, preferably solid at temperatures of about 50° C. and lower, more preferably solid at temperatures of about 70° C. and lower, and even more preferably solid at temperatures of about 80° C. and lower, and typically have viscosity values of from about 5 to 30 centipoise at temperatures no higher than about 160° C., preferably no higher than about 140° C., and more preferably no higher than about 120° C., although the temperature at which these viscosities are achieved can be outside of these ranges.

The ink compositions of the present invention generally have viscosities at the jetting temperature (typically no lower than about 75° C., preferably no lower than about 100° C., and more preferably no lower than about 120° C., and typically no higher than about 180° C., preferably no higher than about 150° C., and more preferably no higher than about 130° C., although the jetting temperature can be outside of these ranges) typically of no more than about 30 centipoise, preferably no more than about 20 centipoise, and even more preferably no more than about 15 centipoise, and typically of no less than about 2 centipoise, preferably no less than about 5 centipoise, and even more preferably no less than about 7 centipoise, although the melt viscosity can be outside of these ranges.

The ink compositions of the present invention can be prepared by any desired or suitable method. For example, the ink ingredients can be mixed together, followed by heating, typically to a temperature of from about 100 to about 140° C., although the temperature can be outside of this range, and stirring or milling until a homogeneous ink composition is obtained, followed by cooling the ink to ambient temperature (typically from about 20 to about 25° C.). The inks of the present invention are solid at ambient temperature.

The present invention is also directed to a process which entails incorporating an ink of the present invention into an ink jet printing apparatus, melting the ink, and causing droplets of the melted ink to be ejected in an imagewise pattern onto a recording sheet. In one specific embodiment, the printing apparatus employs a piezoelectric printing process wherein droplets of the ink are caused to be ejected in imagewise pattern by oscillations of piezoelectric vibrating elements. In another specific embodiment, the droplets of melted ink are caused to be ejected onto an intermediate transfer member, followed by transfer of the image from the intermediate transfer member to a recording sheet. In a specific embodiment, the intermediate transfer member is heated to a temperature above that of the final recording sheet and below that of the melted ink in the printing apparatus. Inks of the present invention can also be employed in other hot melt printing processes, such as hot melt thermal ink jet printing, hot melt continuous stream or deflection ink jet printing, hot melt acoustic ink jet printing, or the like.

Any suitable substrate or recording sheet can be employed, including plain papers such as Xerox® 4024 papers, Xerox® Image Series papers, Courtland 4024 DP paper, ruled notebook paper, bond paper, silica coated papers such as Sharp Company silica coated paper, JuJo paper, and the like, transparency materials, fabrics, textile products, plastics, polymeric films, inorganic substrates such as metals and wood, and the like. In a preferred embodiment, the process entails printing onto a porous or ink absorbent substrate, such as plain paper.

Specific embodiments of the invention will now be described in detail. These examples are intended to be illustrative, and the invention is not limited to the materials, conditions, or process parameters set forth in these embodiments. All parts and percentages are by weight unless otherwise indicated.

EXAMPLE I Synthesis of 1,3-Bis (4-[N-(2,4-bis(N-octylamino)-1,3,5-triazin-6-yl)amino]phenoxy)-2,2-bis[(4-[N-(2,4-bis(N-octylamino)-1,3,5-triazin-6-yl)amino]phenoxy)methyl]propane Part A

Pentaerythritol tetratosylate was prepared as follows:

A mixture of pentaerythritol (27.20 grams, 199.8 mmol; obtained from Aldrich Chemical Co., Milwaukee, Wis.) and p-toluenesulfonyl chloride (171.0 grams, 897.0 mmol; obtained from Aldrich Chemical Co., Milwaukee, Wis.) in dry pyridine (300 milliliters; obtained from Anachemia) was stirred for 48 hours under nitrogen gas. This mixture was then added to 2 liters of 6 Normal hydrochloric acid. The resulting white precipitate was filtered and washed with methanol. The solid was recrystallized from benzene to afford pure pentaerythritol tetratosylate (136.5 grams, 181.3 mmol, 91 percent yield) as white crystals: mp 155–156° C.; IR (KBr) 3047, 2958, 2926, 1907, 1599, 1468, 1367, 1296, 1174, 1180, 1096, 976, 835, 666, 607, 554 cm⁻¹; ¹H NMR (400 MHz, CDCl₃) δ 7.68 (d, 8H, ³J=8.2 Hz), 7.36 (d, 8H, ³J=8.2 Hz), 3.82 (s, 8H), 2.47 (s, 12H); ¹³C NMR (100 MHz, CDCl₃) δ 145.86, 131.50, 130.38, 128.15, 65.74, 43.41, 21.90; MS (FAB, 3-nitrobenzyl alcohol) m/e 753; Anal. Calcd for C₃₃H₃₆O₁₂S₄: C, 52.64; H, 4.82; S, 17.04. Found: C, 52.98; H, 4.77; S, 17.60.

Part B

1,3-Bis(4-nitrophenoxy)-2,2-bis[(4-nitrophenoxy) methyl] propane was prepared as follows:

A mixture of pentaerythritol tetratosylate (48.05 grams, 63.82 mmol, prepared as described in Part A of this Example) and 4-nitrophenol sodium salt (51.4 grams, 319.1 mmol; obtained from Aldrich Chemical Co.) in absolute ethanol (500 milliliters) was heated at 170° C. in a Parr reactor for 20 hours. The mixture was then cooled to room temperature and filtered. The resulting crude solid was washed with water until the yellow color disappeared and then with methanol. The residue was recrystallized from DMSO to afford pure 1,3-bis(4-nitrophenoxy)-2,2-bis[(4-nitrophenoxy) methyl] propane (28.26 grams, 45.54 mmol, 71 percent yield) as small light brown crystals: mp 274282° C.; IR (KBr) 3108, 3080, 2959, 1608, 1592, 1514, 1461, 1343, 1251, 1174, 1111, 1050, 1032, 852, 755, 690 cm⁻¹; ¹H NMR (400 MHz, DMSO-d₆, 373° K.) δ 8.14 (d, 8H, ³J=8.8 Hz), 7.19 (d, 8H, ³J=8.8 Hz), 4.54 (s, 8H); ¹³C NMR (100 MHz, DMSO-d₆, 373° K.) δ 162.89, 141.17, 124.75, 114.78, 67.14, 44.38; MS (FAB, 3-nitrobenzyl alcohol) m/e 621.1; Anal. Calcd for C₂₉H₂₄N₄O₁₂: C, 56.13; H, 3.90; N, 9.03. Found: C, 55.98; H, 3.81; N, 8.98.

Part C

1,3-Bis(4-aminophenoxy)-2,2-bis[(4-aminophenoxy)methyl] propane was prepared as follows:

A mixture of 1,3-bis(4-nitrophenoxy)-2,2-bis [(4-nitrophenoxy)methyl]propane (15.43 grams, 24.87 mmol; prepared as described in Part B of this Example) and Pd/C 10% (1.58 grams, obtained from Aldrich Chemical Co.) was stirred for 70 hours in tetrahydrofuran (400 milliliters) under 180 pounds per square inch of hydrogen gas. The mixture was then filtered over CELITE, and the solvent was removed by evaporation under reduced pressure. The residue was recrystallized from nitrobenzene/benzene to afford pure 1,3-bis(4-aminophenoxy)-2,2-bis[(4-aminophenoxy)methyl]propane (11.17 grams, 22.31 mmol, 90 percent yield) as small light brown crystals: mp 210–211° C.; IR (KBr) 3434, 3351, 3050, 2932, 1625, 1511, 1467, 1232, 1041, 1172, 831, 523 cm⁻¹; ¹H NMR (400 MHz, DMSO-d₆) δ 6.66 (d, 8H, ³J=8.4 Hz), 6.47 (d, 8H, ³J=8.4 Hz), 4.62 (s, 8H), 4.03 (s, 8H); ¹³C NMR (100 MHz, DMSO-d₆) δ 150.14, 142.73, 115.76, 114.86, 67.06, 44.59; MS (FAB, 3-nitrobenzyl alcohol) m/e 500.3; Anal. Calcd for C₃₃H₂₄N₄O₄: C, 69.58; H, 6.44; N, 11.19. Found: C, 69.33; H, 6.78; N, 10.91.

Part D

1,3-Bis(4-[N-(2,4-dichloro-1,3,5-triazin-6-yl)amino]phenoxy)-2,2-bis[(4-[N-(2,4-dichloro-1,3,5-triazin-6-yl)amino]phenoxy) methyl] propane was prepared as follows:

A solution of 1,3-bis(4-aminophenoxy)-2,2-bis[(4-aminophenoxy)methyl]propane (5.00 grams, 10.0 mmol; prepared as described in Part C of this Example) in 120 milliliters of a mixture of dry acetone and tetrahydrofuran (1:1 (v/v)) was added dropwise to a solution of cyanuric chloride (7.75 grams, 42.0 mmol; obtained from Aldrich Chemical Co.) in 200 milliliters of dry acetone at −10° C. This mixture was stirred for 1 hour at −10° C. and was then added, with Na₂CO₃ (4.45 grams, 42.0 mmol), to 1.5 liters of cold water to give a precipitate. The white solid was filtered off, dried, and dissolved in dichloromethane to remove insoluble material (hydrolyzed product). The resulting solution was filtered over CELITE and dried with magnesium sulfate. Volatiles were removed under reduced pressure, and the residue was dried under vacuum to afford pure 1,3-bis(4-[N-(2,4-dichloro-1,3,5-triazin-6-yl)amino]phenoxy)-2,2-bis[(4-[N-(2,4-dichloro-1,3,5-triazin-6-yl) amino]phenoxy) methyl]propane (9.20 grams, 8.42 mmol, 84 percent yield) as a white solid: softening point 143–145° C.; mp 240–250° C.; IR (KBr) 3366, 3268, 3123, 2947, 1609, 1550, 1506, 1386, 1318, 1219, 1167, 1019, 846, 829, 794 cm⁻¹; ¹H NMR (400 MHz, CDCl₃) δ 7.47 (s, 4H), 7.40 (d, 8H, ³J=9.0 Hz), 6.96 (d, 8H, ³J=9.0 Hz), 4.36 (s, 8H); ¹³C NMR (100 MHz, CDCl₃) δ 171.46, 164.44, 156.93, 129.12, 123.93, 115.39, 66.90, 45.11; MS (FAB, 3-nitrobenzyl alcohol) m/e 1092.7; Anal. Calcd for C₄₁H₂₈Cl₈N₁₆O₄: C, 45.08; H, 2.58; N, 20.52. Found: C, 45.07; H, 2.58; N, 20.12.

The hydrolysis products are insoluble in dichloromethane. Purification can be done by filtration over silica gel with 35 percent ethyl acetate/hexane, but the loss of at least 50 percent of the product may occur. Excess cyanuric chloride can be removed from the mixture by triturating with diethyl ether.

Part E

1,3-Bis(4-[N-(2,4-bis(N-octylamino)-1,3,5-triazin-6-yl)amino]phenoxy)-2,2-bis[(4-[N-(2,4-bis(N-octylamino)-1,3,5-triazin-6-yl)amino]phenoxy)methyl]propane was prepared as follows:

A mixture of 1,3-bis(4-[N-(2,4-dichloro-1,3,5-triazin-6-yl)amino]phenoxy)-2,2-bis[(4-[N-(2,4-dichloro-1,3,5-triazin-6-yl)amino]phenoxy)methyl]propane (3.88 grams, 3.55 mmol; prepared as described in Part D of this Example) and octylamine (11.7 milliliters, 71.0 mmol; obtained from Aldrich Chemical Co.) in dioxane (30 milliliters) was heated at reflux for 3 hours. The mixture was then cooled and added to 400 milliliters of a solution of 1 Normal NaOH and methanol (1:1 (v/v)). The resulting white solid was filtered off and dissolved in tetrahydrofuran. This solution was filtered over silica gel, and the volatiles were removed under reduced pressure. The residue was triturated in methanol and then dried under vacuum to afford pure 1,3-bis(4-[N-(2,4-bis(N-octylamino)-1,3,5-triazin-6-yl)amino]phenoxy)-2,2-bis [(4-[N-(2,4-bis(N-octylamino)—1,3,5-triazin-6-yl)amino]phenoxy)methyl]propane (4.50 grams, 2.45 mmol, 69 percent yield) as white powder: softening point 94–96° C.;. IR (KBr) 3434, 3274, 2925, 2854, 1579, 1506, 1421, 1367, 1226, 1030, 810 cm⁻¹; ¹H NMR (400 MHz, DMSO-d₆, 373° K.) δ 8.11 (s, 4H), 7.60 (d, 8H, ³J=8.9 Hz), 6.84 (d, 8H, ³J=8.9 Hz), 6.12 (s, 8H), 4.25 (s, 8H), 3.26 (td, 16H, ³J_(t=)6.6 Hz, ³J_(d=)6.6 Hz), 1.53 (m, 16H), 1.29 (m, 80H), 0.86 (t, 24H, ³J=7.1 Hz); ¹³C NMR (100 MHz, DMSO-d₆, 373° K.) δ 165.54, 163.77, 153.31, 133.96, 120.76, 114.27, 67.15, 44.47, 39.61, 30.56, 28.87, 28.14, 27.96, 25.90, 21.29, 13.00; MS (FAB, 3-nitrobenzyl alcohol) m/e 1834.6; Anal. Calcd for C₁₀₅H₁₇₂N₂₄O₄: C, 68.74; H, 9.45; N, 18.32. Found: C, 68.31; H, 9.58; N, 18.34.

Sometimes the precipitation step gives a gum as the product. This gum can be dried under vacuum to obtain a solid product.

Purification can be done if desired by chromatography on silica gel using chloroform as eluant.

Part F

The methods used to prepare the compound of the formula

were also used to prepare compounds of the formula

EXAMPLE II

The process of Example I is repeated except that in Part E, the compound of the formula

is partially hydrolyzed prior to reaction with octylamine. Partial hydrolysis is carried out by exposure to water or air to result in compounds in which variable numbers of chloride groups are replaced by hydroxy groups. One example of such a compound is of the formula

When the partially hydrolyzed compound is subsequently reacted with octylamine, the resulting compound is of the formula

EXAMPLE III Synthesis of Tetrakis [(4-[N-[4,6-bis(N-octylamino)-1,3,5-tridzin-2-yl]amino]phenoxy) methyl]methane

A solution of cyanuric chloride (36.9 grams, 200 mmol; obtained from Aldrich Chemical Co., Milwaukee, Wis.) in 100 milliliters of dry tetrahydrofuran was added dropwise to a solution of 1,3-bis(4-aminophenoxy)-2,2-bis[(4-aminophenoxy)methyl]propone (25 grams, 50.0 mmol, prepared as described in Part C of Example I) in 500 milliliters of dry tetrahydrofuran at −78° C. The mixture was stirred and allowed to warm up to room temperature for 2 hours. Octylamine (165 milliliters, 1.00 mol; obtained from Aldrich Chemical Co.) was then added and the mixture was stirred at reflux for 3 hours. The mixture was subsequently cooled to room temperature, water was added, and a gummy precipitate (like glue) was filtered. The precipitate was dissolved in hot dimethylformamide, ethanol was added (3 liters), and trituration was done until the product became a fine solid. The solid was then filtered, washed with methanol, and dried for 2 days under reduced pressure to afford tetrakis[(4-[N-[4,6-bis(N-octylamino)-1,3,5-triazin-2-yl]amino]phenoxy)methyl]methane (65.0 grams, 35.4 mmol, 70 percent yield) as a white solid: softening point 94–96° C.; IR (KBr) 3434, 3274, 2925, 2854, 1579, 1506, 1421, 1367, 1226, 1030, 810 cm⁻¹; ¹H NMR (400 MHz, DMSO-d₆, 373° K.) δ 8.11 (s, 4H), 7.60 (d, 8H, ³J=8.9 Hz), 6.84 (d, 8H, ³J=8.9 Hz), 6.12 (s, 8H), 4.25 (s, 8H), 3.26 (td, 16H, ³J_(t)=6.6 Hz, ³J_(d)=6.6 Hz), 1.53 (m, 16H), 1.29 (m, 80H), 0.86 (t, 24H, ³J=7.1 Hz); ¹³C NMR (100 MHz, DMSO-d₆, 373° K.) δ 165.54, 163.77, 153.31, 133.96, 120.76, 114.27, 67.15, 44.47, 39.61, 30.56, 28.87, 28.14, 27.96, 25.90, 21.29, 13.00; MS (FAB, 3-nitrobenzyl alcohol) m/e 1834.6; Anal. Calcd for C₁₀₅H₁₇₂N₂₄O₄: C, 68.74; H, 9.45; N, 18.32. Found: C, 68.31; H, 9.58; N, 18.34. Purification can be done if desired by chromatography on silica gel using chloroform as eluant.

The same protocol can be used to make similar derivatives of other compounds in which multiple amino groups are attached to a variety of central cores. In all cases, the intermediate aminodichlorotriazines, obtained after addition of cyanuric chloride, can be treated with a variety of primary and secondary alkylamines to give rise to compounds with different alkyl substituents.

EXAMPLE IV

The process of Example III is repeated except that butylamine is used instead of octylamine. The resulting product is of the formula

EXAMPLE V

The process of Example III is repeated except that hexylamine is used instead of octylamine. The resulting product is of the formula

EXAMPLE VI

The process of Example III is repeated except that decylamine is used instead of octylamine. The resulting product is of the formula

EXAMPLE VII

The process of Example III is repeated except that octadecylamine is used instead of octylamine. The resulting product is of the formula

EXAMPLE VIII

A compound of the formula

was prepared as follows.

Part A

1,5-Bis(4-nitrophenoxy)pentane was prepared as follows:

A mixture of 1,5-dibromopentane (16.0 milliliters; 118 mmol; obtained from Aldrich Chemical Co., Milwaukee, Wis.) and 4-nitrophenol sodium salt (45.7 grams; 284 mmol; obtained from Aldrich Chemical Co.) in dimethylformamide (100 milliliters) was heated at 150° C. for 20 hours. The mixture was then cooled to room temperature and water (200 milliliters) was added. The resulting precipitate was filtered, washed with water, and recrystallized from ethanol to afford pure 1,5-bis(4-nitrophenoxy)pentane (33.1 grams, 95.5 mmol, 80 percent yield) as small light-yellow crystals: mp 101–102° C.; IR (KBr) 3113, 2939, 1591, 1497, 1453, 1329, 1266, 1240, 1175, 1107, 1045, 999, 929, 847, 751, 654 cm⁻¹; ¹H NMR (100 MHz, CDCl₃) δ 8.19 (d, 4H, ³J=9.2 Hz), 6.95 (d, 4H, ³J=9.2 Hz), 4.10 (t, 4H, ³J=6.2 Hz), 1.93 (q, 4H, ³J=6.8 Hz), 1.62 (q, 2H, ³J=6.8 Hz); ¹³C NMR (75 MHz, CDCl₃) δ 164.24, 141.58, 126.10, 114.56, 68.70, 28.87, 22.79; MS (FAB, 3-nitrobenzyl alcohol) m/e 346.2; Anal. Calcd for C₁₇H₁₈N₂O₆: C, 58.96; H, 5.24; N, 8.09. Found: C, 58.69; H, 5.45; N, 8.07.

Part B

1,5-Bis(4-aminophenoxy)pentane was prepared as follows:

A mixture of 1,5-bis(4-nitrophenoxy)pentane (32.7 grams, 94.4 mmol; prepared as described in Part A of this Example) and Pd/C 10% (1.00 gram, obtained from Aldrich Chemical Co.) was stirred for 20 hours in tetrahydrofuran (400 milliliters) under 200 pounds per square inch of hydrogen gas. The mixture was then filtered over CELITE, and the solvent was removed by evaporation under reduced pressure. The resulting crude solid was recrystallized from ethanol to afford pure 1,5-bis(4-aminophenoxy)pentane (24.4 grams, 85.1 mmol, 90 percent yield) as small colorless crystals: mp 78–79° C.; IR (KBr) 3433, 3353, 3217, 2949, 2868, 1856, 1632, 1511, 1473, 1396, 1228, 1031, 1002, 825, 517 cm⁻¹; ¹H NMR (300 MHz, CDCl₃) δ 6.76 (d, 4H, ³J=8.8 Hz), 6.64 (d, 4H, ³J=8.8 Hz), 3.92 (td, 4H, ³J=6.4 Hz, ⁴J=1.4 Hz), 3.40 (s, 4H), 1.82 (q, 4H, ³J=6.8 Hz), 1.62 (q, 2H, ³J=6.8 Hz); ¹³C NMR (75 MHz, CDCl₃) δ 151.31, 140.06, 116.51, 115.78, 68.58, 29.32, 22.83; MS (FAB, 3-nitrobenzyl alcohol) m/e 286.7; Anal. Calcd for C₁₇H₂₂N₂O₂: C, 71.30; H, 7.74; N, 9.78. Found: C, 71.11; H, 8.22; N, 9.85.

This procedure can also be used to reduce related derivatives with variable alkyl chains. For example, the procedure can be used to reduce 1,3-bis(4-nitrophenoxy)-2,2-bis[(4-nitrophenoxy) methyl]propane.

Part C

N,N″-[1,5-Pentanediylbis(oxy-4,1-phenylene)]bis[N′-octyl]urea was prepared as follows:

A solution of triphosgene (2.76 grams, 9.31 mmol; obtained from Aldrich Chemical Co., Milwaukee, Wis.) in 20 milliliters of dry tetrahydrofuran was added dropwise to a solution of 1,5-bis(4-aminophenoxy)pentane (4.00 grams, 14.0 mmol; prepared as described in Part B of this Example) and triethylamine (7.78 milliliters, 55.9 mmol; obtained from Anachemia, Rouses Point, N.Y.) in 150 milliliters of dry tetrahydrofuran at −78° C. The mixture was stirred and allowed to warm up to room temperature for 1 hour. Octylamine (10.2 milliliters, 61.5 mmol, obtained from Aldrich Chemical Co.) was then added and the mixture was stirred at 50° C. for 15 minutes. The mixture was subsequently cooled to room temperature and water (300 milliliters) was added. The resulting precipitate was filtered and recrystallized from dimethylformamide to afford pure N,N″-[1,5-pentanediylbis(oxy-4,1-phenylene)]bis[N′-octyl]urea (5.23 grams, 8.76 mmol, 63 percent yield) as a colorless solid. mp 185–186° C.; IR (KBr) 3344, 3304, 2927, 2853, 1635, 1564, 1511, 1478, 1294, 1234, 1034, 828, 648, 530 cm⁻¹; ¹H NMR (400 MHz, DMSO-d₆) δ 8.14 (s, 2H), 7.24 (d, 4H, ³J=8.8 Hz), 6.78 (d, 4H, ³J=8.8 Hz), 5.97 (s, 2H), 3.89 (t, 4H, ³J=8.8 Hz), 3.03 (m, 4H), 1.76 (q, 4H, ³J=6.8 Hz), 1.53 (q, 2H, ³J=6.8 Hz), 1.39 (m, 4H), 1.25 (m, 20H), 0.85 (t, 6H, ³J=7.1 Hz); Anal. Calcd for C₃₅H₅₆N₄O₄: C, 70.43; H, 9.46; N, 9.39. Found: C, 70.38; H, 10.01; N, 9.47.

Part D

This procedure can also be used with a variety of compounds with multiple amino groups joined to diverse central cores. For example, it was used to convert 1,3-bis(4-aminophenoxy)-2,2-bis[(4-aminophenoxy)methyl]propane to a compound of the formula

by the method described hereinabove.

EXAMPLE IX

The procedure of Example VIII is repeated except that in Part A, 1,1-dibromomethane is used instead of 1,5-dibromopentane. The final product after Part C is of the formula

EXAMPLE X

The procedure of Example VIII is repeated except that in Part A, 1,3-dibromopropane is used instead of 1,5-dibromopentane. The final product after Part C is of the formula

EXAMPLE XI

The procedure of Example VIII is repeated except that in Part A, 1,7-dibromoheptane is used instead of 1,5-dibromopentane. The final product after Part C is of the formula

EXAMPLE XII

The procedure of Example VIII is repeated except that in Part A, 1,9-dibromononane is used instead of 1,5-dibromopentane. The final product after Part C is of the formula

EXAMPLE XIII Synthesis of 1,5-bis[4-[N-[4,6-bis(N-octylamino)-1,3,5-triazin-2-yl]amino]phenoxl]pentane

A solution of cyanuric chloride (6.44 grams, 34.9 mmol; obtained from Aldrich Chemical Co.) in dry tetrahydrofuran (50 milliliters) was added dropwise to a solution of 1,5-bis(4-aminophenoxy)pentane (5.00 grams, 17.46 mmol; prepared as described in Part B of Example VIII) in dry tetrahydrofuran (100 milliliters) at −78° C. The mixture was stirred and allowed to warm up to room temperature for 2 hours. Octylamine (23.0 milliliters, 139 mmol; obtained from Aldrich Chemical Co.) was then added and the mixture was stirred at reflux for 3 hours. The mixture was cooled to room temperature, water was added, and the resulting gummy precipitate (like glue) was filtered. The precipitate was dissolved in chloroform and filtered over silica gel. The volatiles were removed under reduced pressure to afford 1,5-Bis[4-[N-[4,6-bis(N-octylamino)-1,3,5-triazin-2-yl]amino]phenoxy]pentane (7.51 grams, 7.88 mmol, 45 percent yield) as a white solid: IR (KBr) 3410, 3279, 2926, 2855, 1575, 1506, 1423, 1369, 1230, 1031, 810 cm^(−1.)

EXAMPLE XIV Synthesis of Tetrakis [(4-[N-[4-amino-6-(N-hexylamino)-1,3,5-triazin-2-yl]aminol]phenoxy)methyl]methane (also called 1,3-Bis(4-[N-[2-amino-4-(N-octylamino)-1,3,5-triazin-6-yl)amino]phenoxy)-2,2- bis[(4-[N-[2-amino-4-(N-octylamino)-1,3,5-triazin-6-yl)amino]phenoxy)methyl]propane)

Ammonium hydroxide (30 percent in water, 21.0 milliliters, 160 mmol) was added to a solution of tetrakis[(4-[N-(2,4-dichloro-1,3,5-triazin-6-yl)amino]phenoxy)methyl]methane (6.20 grams, 5.68 mmol; prepared as described in Part D of Example I) in tetrahydrofuran (200 milliliters) at −10° C. This mixture was stirred and warmed up to room temperature for 2 hours. Thereafter, the volatiles were removed under reduced pressure and a solution of methanol/water (300 milliliters, 1:1, v/v) was added. This mixture was triturated for 30 minutes and filtered. The crude solid was then dissolved in dioxane (60 milliliters), hexylamine (7.50 milliliters, 56.8 mmol) was added, and the mixture was heated at reflux for 3 hours. The mixture was then cooled to room temperature and water was added. The resulting solid was filtered, washed with methanol, and dried for 2 days under reduced pressure to afford tetrokis[(4-[N-[4,6-bis(N-octylamino)-1,3,5-triazin-2-yl]amino]phenoxy)methyl]methane (7.09 grams, 5.57 mmol, 98 percent yield) as a white solid. The solid was dissolved in tetrahydrofuran and filtered over silica gel to afford pure tetrakis[(4-[N-[4,6-bis(N-octylamino)-1,3,5-triazin-2-yl]amino]phenoxy)methyl]methane (3.31 grams, 2.16 mmol, 38 percent yield): mp 131–133° C.; IR (KBr) 3405, 3313, 3176, 2927, 2855, 1589, 1525, 1455, 1418, 1360, 1231, 1031, 811 cm⁻¹; ¹H NMR (400 MHz, DMSO-d₆, 373° K.) δ 8.16 (s, 4H), 7.59 (d, 8H, ³J=8.8 Hz), 6.86 (d, 8H, ³J=8.8 Hz), 6.17 (s, 4H), 5.73 (s, 8H), 4.26 (s, 8H), 3.26 (dt, 8H, ³J_(d)=6.7 Hz, ³J_(t)=6.7 Hz), 1.53 (m, 8H), 1.30 (m, 24H), 0.87 (t, 12H, ³J=7.2 Hz); ¹³C NMR (100 MHz, DMSO-d₆, 373° K.) δ 166.56, 165.92, 164.19, 153.43, 133.82, 120.96, 114.35, 67.19, 44.48, 39.61, 30.42, 28.78, 25.50, 21.33, 13.00; MS (FAB, 3-nitrobenzyl alcohol) m/e 1273.8; Anal. Calcd for C₆₅H₉₂N₂₄O₄: C, 61.30; H, 7.28; N, 26.39. Found: C, 61.41; H, 7.49; N, 26.18. Filtration over silica gel is believed to be responsible for the low yield.

This method can also be used to obtain derivatives in which the triaminotriazine groups bear substituents with different alkyl groups by sequential introduction of different alkylamines.

EXAMPLE XV

The procedure of Example XIV is repeated except that butylamine is substituted for hexylamine. The resulting product is of the formula

EXAMPLE XVI

The procedure of Example XIV is repeated except that octylamine is substituted for hexylamine. The resulting product is of the formula

EXAMPLE XVII

The procedure of Example XIV is repeated except that decylamine is substituted for hexylamine. The resulting product is of the formula

EXAMPLE XVIII Synthesis of 1,1-Bis[4-[N,N-bis[4,6-diamino-1,3,5-triazin-2-yl]amino]phenoxy]methane

Cyanuric chloride (11.473 grams, 62.2 mmol) in dry tetrahydrofuran (50 milliliters) was added to a solution of 1,1-bis(4-aminophenoxy)methane (3.58 grams, 15.55 mmol; prepared as described in Part B of Example VIII except that 1,1-dibromomethane was used instead of 1,5-dibromopentane) in dry tetrahydrofuran (175 milliliters) at −10° C. The mixture was stirred for 10 minutes and sodium hydride (3.75 grams, 93.3 mmol) was added dropwise. The mixture was then heated to 60° C. for 16 hours and subsequently filtered on CELITE. The volatiles were removed under reduced pressure and the crude solid was purified on silica gel using a mixture of AcOEt/hexane (3:7, v/v) as eluant to afford pure 1,1-bis[4-[N,N-bis[4,6-dichloro-1,3,5-triazin-2-yl]amino]phenoxy]methane (2.10 grams, 2.55 mmol, 16 percent yield) as a white solid. Chromatography with silica gel is believed to be responsible for the low yield.

Ammonium hydroxide (30 percent in water, 20 milliliters) was added to a solution of 1,1-bis[4-[N,N-bis[4,6-dichloro-1,3,5-triazin-2-yl]amino]phenoxy]methane (1.893 grams, 2.30 mmol, prepared as described in Part A of this Example) in dry tetrahydrofuran (20 milliliters) in a sealed tube. The mixture was heated to 60° C. for 6 hours and then the volatiles were removed under reduced pressure. The resulting solid was washed with water and with cold methanol to afford 1,1-bis[4-[N,N-bis [4,6-diamino-1,3,5-triazin-2-yl]amino]phenoxy]methane (1.50 grams, 2.25 mmol, 98 percent yield) as a white solid: mp>300° C.; IR (KBr) 3330, 3193, 2924, 1626, 1533, 1505, 1450, 1417, 1348, 1203, 1003, 815, 791, 622 cm⁻¹; ¹H NMR (400 MHz, DMSO-d₆,) δ 7.02 (s, 8H), 6.54 (bs, 16H), 5.82 (s, 2H); ¹³C NMR (100 MHz, DMSO-d₆,) δ 168.54, 167.96, 153.70, 137.03, 128.50, 116.23, 89.92.

The sequential addition of 4 equivalents of alkylamine followed by ammonium hydroxide can give access to analogous compounds such as

An average yield of 70 percent is expected for this process.

EXAMPLE XIX

Colorless ink compositions containing the materials prepared in Example I (Part E), Example VIII (Part C), Example VIII (Part D), Example XIV, and Example I (Part F) and, for comparison purposes, an ink that did not contain any of these additives were prepared as follows.

Ink A: In a stainless steel beaker were combined (1) polyethylene wax (PE 655, obtained from Baker Petrolite, Tulsa, Okla., of the formula CH₃(CH₂)₅₀CH₃), (2) stearyl stearamide wax (KEMAMIDE® S180, obtained from Crompton Corporation, Greenwich, Conn.), (3) a tetra-amide resin obtained from the reaction of one equivalent of dimer acid with two equivalents of ethylene diamine and UNICID® 700 (obtained from Baker Petrolite, Tulsa, Okla., a carboxylic acid derivative of a long chain alcohol), prepared as described in Example 1 of U.S. Pat. No. 6,174,937, the disclosure of which is totally incorporated herein by reference, (4) a urethane resin obtained from the reaction of two equivalents of ABITOL® E hydroabietyl alcohol (obtained from Hercules Inc., Wilmington, Del.), and one equivalent of isophorone diisocyanate, prepared as described in Example 1 of U.S. Pat. No. 5,782,966, the disclosure of which is totally incorporated herein by reference, (5) a urethane resin that was the adduct of three equivalents of stearyl isocyanate and a glycerol-based alcohol prepared as described in Example 4 of U.S. Pat. No. 6,309,453, the disclosure of which is totally incorporated herein by reference, and (6) NAUGUARD® 445 antioxidant (obtained from Uniroyal Chemical Co., Middlebury, Conn.). The materials were melted together at a temperature of about 135° C. in an oven, then blended by stirring in a temperature controlled mantle at about 135° C. for about 0.2 hour. To this mixture was then added (6) the material prepared in Example I (Part E). After stirring for about 2 additional hours, the ink thus formed was filtered through a heated MOTT® apparatus (obtained from Mott Metallurgical) using. NAE 0.2 micro filter and Whatman #3 filter paper (on top of NAE filter) under a pressure of about 15 pounds per square inch. The filtered phase change ink was poured into an aluminum mold and allowed to solidify to form an ink block. The colorless phase change ink thus prepared exhibited a viscosity of about 13.4 centipoise as measured by a Rheometrics cone-plate viscometer at about 140° C., melting points of about 86° C. and 104° C. as measured by differential scanning calorimetry using a DSC 7 from Perkin Elmer, and a glass transition temperature (T_(g)) of about 14° C.

Ink B: Ink B was prepared in a similar manner to that used to prepare Ink A but using the material prepared in Example VIII (Part C) instead of the material prepared in Example I (Part E).

Ink C: Ink C was prepared in a similar manner to that used to prepare Ink A but using the material prepared in Example VIII (Part D) instead of the material prepared in Example I (Part E).

Ink D: Ink D was prepared in a similar manner to that used to prepare Ink A but using the material prepared in Example XIV instead of the material prepared in Example I (Part E).

Ink E: Ink E was prepared in a similar manner to that used to prepare Ink A but using the material prepared in Example I (Part F) instead of the material prepared in Example I (Part E).

Ink F: Ink F was prepared in a similar manner to that used to prepare Ink A but no additive was present.

Relative amounts of the ingredients in each of these inks, expressed in percent by weight of the ink, are indicated in the table below:

Ingredient Ink A Ink B Ink C Ink D Ink E Ink F POLYWAX 34.64 34.64 37.36 37.36 34.64 38.30 S-180 19.00 19.00 20.50 20.50 19.00 21.20 Tetra-amide 19.22 19.22 20.66 20.66 19.22 21.40 Urethane Resin 10.73 10.73 11.53 11.53 10.73 11.96 1* Urethane Resin 6.23 6.23 6.70 6.70 6.23 6.94 2** Example IE 10.00 — — — — — material Example VIIIC — 10.00 — — — — material Example VIIID — — 3.07 — — — material Example XIV — — — 3.07 — — material Example IF — — — — 10.00 — material NAUGUARD 0.18 0.18 0.18 0.18 0.18 0.20 445 Total 100.0 100.0 100.0 100.0 100.0 100.0 *ABITOL E based urethane resin **glycerol alcohol based urethane resin

Rheology and dynamic mechanical analysis data were also obtained to produce evidence of increased toughness of inks according to the present invention. Particularly, the toughness of ink samples was estimated two ways. In one method, from a plot of tan δ (ratio of loss modulus, G″, to storage modulus, G′) versus temperature as measured on a controlled stress rheometer, SR5000 from Rheometrics Scientific, in a conventional parallel plate configuration. The area underneath the tan δ versus Temperature curve, between 0° C. and 25° C., is as large or larger for the inks containing the additives of the present invention compared to an ink that does not contain any of these additives. For example, Ink A was found to have a toughness value of 1.62 (area under curve) while ink F had a toughness value of 0.28 under the same conditions. Similar differences in toughness values are expected for inks B to E compared to ink F. In addition, the toughness as well as the Young's modulus and flexural strength were estimated by typical stress-strain measurements at room temperature using a Solid State Analyzer, RSAII from Rheometrics Scientific. The samples tested were prepared as follows: the ink was put into a pan and was melted on a hotplate at 150° C. It was then transferred onto a rectangular mold that was sitting on a hot plate at 80C. The mold was then covered with a flat glass plate and allowed to sit for 10 minutes at 80C. The sample was then removed from the mold and allowed to cool to room temperature. The samples obtained were rectangular, with a length of 49 millimeters, a width of 12 millimeters, and a thickness of 3 millimeters. The dynamic mechanical experiment performed was a dynamic strain rate at 23° C. using a three-point bending geometry configuration. The variation of the stress versus the applied deformation or strain was recorded. The slope from the curve stress versus strain is equal to the Young's modulus, the area under the curve is proportional to the toughness, and the stress value at which the sample breaks is the flexural strength. The following table summarizes the data for Ink E:

Ink E Ink F Young's Modulus 2.7 2.69 (GPa) Flexural Strength 6.09 4.78 (MPa) Toughness (MPa) 8226 4588 The values of Young's modulus, flexural strength, and toughness for inks A to D compared to those of ink F are also expected to be significantly improved.

EXAMPLE XX

Yellow ink compositions containing the materials prepared in Example I (Part E), Example VIII (Part C), Example VIII (Part D), Example XIV, and Example I (Part F) and, for comparison purposes, an ink that does not contain any of these additives are prepared as follows.

Ink G: In a stainless steel beaker are combined (1) polyethylene wax (PE 655, obtained from Baker Petrolite, Tulsa, Okla., of the formula CH₃(CH₂)₅₀CH₃), (2) stearyl stearamide wax (KEMAMIDE® S180, obtained from Crompton Corporation, Greenwich, Conn.), (3) a tetra-amide resin obtained from the reaction of one equivalent of dimer acid with two equivalents of ethylene diamine and UNICID® 700 (obtained from Baker Petrolite, Tulsa, Okla., a carboxylic acid derivative of a long chain alcohol), prepared as described in Example 1 of U.S. Pat. No. 6,174,937, the disclosure of which is totally incorporated herein by reference, (4) a urethane resin obtained from the reaction of two equivalents of ABITOL® E hydroabietyl alcohol (obtained from Hercules Inc., Wilmington, Del.), and one equivalent of isophorone diisocyanate, prepared as described in Example 1 of U.S. Pat. No. 5,782,966, the disclosure of which is totally incorporated herein by reference, (5) a urethane resin that was the adduct of three equivalents of stearyl isocyanate and a glycerol-based alcohol prepared as described in Example 4 of U.S. Pat. No. 6,309,453, the disclosure of which is totally incorporated herein by reference, and (6) NAUGUARD® 445 antioxidant (obtained from Uniroyal Chemical Co., Middlebury, Conn.). The materials are melted together at a temperature of about 135° C. in an oven, then blended by stirring in a temperature controlled mantle at about 135° C. for about 0.2 hour. To this mixture is then added (6) the material prepared in Example I (Part E) and (7) NEOPEN YELLOW 075 (obtained from BASF). After stirring for about 2 additional hours, the yellow ink thus formed is filtered through a heated MOTT® apparatus (obtained from Mott Metallurgical) using NAE 0.2 micro filter and Whatman #3 filter paper (on top of NAE filter) under a pressure of about 15 pounds per square inch. The filtered phase change ink is poured into an aluminum mold and allowed to solidify to form an ink block. The yellow phase change ink thus prepared exhibits a viscosity of about 13.4 centipoise as measured by a Rheometrics cone-plate viscometer at about 140° C., melting points of about 86° C. and 104° C. as measured by differential scanning calorimetry using a DSC 7 from Perkin Elmer, a glass transition temperature (T_(g)) of about 14° C., and a spectral strength, determined by using a spectrophotographic procedure based on the measurement of the colorant in solution by dissolving the solid ink in n-butanol and measuring the absorbance using a Perkin Elmer Lambda 2S UV/VIS spectrophotometer, of about 3500 milliliters absorbance per gram at. 429 nanometers.

Ink H: Ink H is prepared in a similar manner to that used to prepare Ink G but using the material prepared in Example VIII (Part C) instead of the material prepared in Example I (Part E).

Ink J: Ink J is prepared in a similar manner to that used to prepare Ink G but using the material prepared in Example VIII (Part D) instead of the material prepared in Example I (Part E).

Ink K: Ink K is prepared in a similar manner to that used to prepare Ink G but using the material prepared in Example XIV instead of the material prepared in Example I (Part E).

Ink L: Ink L is prepared in a similar manner to that used to prepare Ink G but using the material prepared in Example I (Part F) instead of the material prepared in Example I (Part E).

Ink M: Ink M is prepared in a similar manner to that used to prepare Ink G but no additive such as those prepared in Examples I, VIII, or XIV was present.

Relative amounts of the ingredients in each of these inks, expressed in percent by weight of the ink, are indicated in the table below:

Ingredient Ink G Ink H Ink J Ink K Ink L Ink M POLYWAX 33.92 33.92 36.48 36.48 33.92 37.48 S-180 18.59 18.59 19.99 19.99 18.59 20.73 Tetra-amide 18.80 18.80 20.21 20.21 18.80 20.95 Urethane Resin 10.49 10.49 11.28 11.28 10.49 11.70 1* Urethane Resin 6.09 6.09 6.55 6.55 6.09 6.79 2** Neopen Yellow 2.15 2.15 2.31 2.31 2.15 2.15 075 Example IE 9.78 — — — — — material Example VIIIC — 9.78 — — — — material Example VIIID — — 3.00 — — — material Example XIV — — — 3.00 — — material Example IF — — — — 9.78 — material NAUGUARD 0.18 0.18 0.18 0.18 0.18 0.20 445 Total 100.0 100.0 100.0 100.0 100.0 100.0 *ABITOL E based urethane resin **glycerol alcohol based urethane resin

The yellow inks thus prepared are printed on HAMMERMILL LASERPRINT® paper (obtained from International Paper, Memphis, Term.) in a XEROX® PHASER 850 printer, which uses a printing process wherein the ink is first jetted in an imagewise pattern onto an intermediate transfer member followed by transfer of the imagewise pattern from the intermediate transfer member to a final recording substrate. Solid field images with a resolution of 355 dpi×464 dpi are generated from the printer.

Another type of printed sample is generated on HAMMERMILL LASERPRINT® paper using K Printing Proofer (manufactured by RK Print Coat Instrument Ltd., Litlington, Royston, Herts, U.K.). In this method, the tested inks are melted onto a printing plate set at 150° C. A roller bar fitted with the paper is then rolled over the plate containing the melted ink on its surface. The ink on the paper is cooled, resulting in three separated images of rectangular blocks. The most intensely colored block contains the most ink deposited on the paper, and is therefore used to obtain scratch value measurements. It is believed that the inks of the present invention will be found to have good scratch resistance.

Other embodiments and modifications of the present invention may occur to those of ordinary skill in the art subsequent to a review of the information presented herein; these embodiments and modifications, as well as equivalents thereof, are also included within the scope of this invention.

The recited order of processing elements or sequences, or the use of numbers, letters, or other designations therefor, is not intended to limit a claimed process to any order except as specified in the claim itself. 

1. A compound of the formula

wherein Z Is a group of the formula —OR₁, a group of the formula —SR₁, or a group of the formula —NR₁R₂, Y is a group of the formula —OR₃, a group of the formula —SR₃, or a group of the formula —NR₃R₄, n is an integer representing the number of repeat —(CH₂)— or —(CH₂CH₂O)— units, wherein, provided that at least one of R₁, R₂, R₃, R₄, and R₆ is a hydrogen atom, provided that at least one of R₁, R₂, R₃, R₄, and R₆ is other than a hydrogen atom, and provided that at least one Z or Y within the compound is a group of the formula —NR₁R₂ or a group of the formula —NR₃R₄, R₁, R₂, R₃, R₄, R₆, and R₇ each, independently of the others, is (i) a hydrogen atom, (ii) an alkyl group, wherein the alkyl, group may be saturated or unsaturated, wherein the alkyl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be placed between the carbon atoms in the alkyl group, (iii) an aryl group, wherein the aryl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in the aryl group, (iv) an arylalkyl group, wherein the arylalkyl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the arylalkyl group, or (v) an alkylaryl group, wherein the alkylaryl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the alkylaryl group, and wherein R₇ can also be (vi) an alkoxy group, wherein the alkoxy group may be saturated or unsaturated, wherein the alkoxy group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in the alkyl portion of the alkoxy group, (vii) an aryloxy group, wherein the aryloxy group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in the aryl portion of the aryloxy group, (viii) an arylalkyloxy group wherein the the arylalkyloxy group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the arylalkyloxy group, (ix) an alkylaryloxy group, wherein the alkylaryloxy group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the alkylaryloxy group. (x) a polyalkyleneoxy group, (xi) a polyaryleneoxy group (xii) a polyarylalkyleneoxy group, (xiii) a polyalkylaryleneoxy group, (xiv) a silyl group, wherein the silyl group may be substituted or unsubstituted, (xv) a siloxane group, wherein the siloxane group may be substituted or unsubstituted, (xvi) a polysilylene group, wherein the polysilylene group may be substituted or unsubstituted, (xvii) a polysiloxane group, wherein the polysiloxane group may be substituted or unsubstituted, or (xviii) a group of the formula

wherein r is an Integer representing a number of repeat —CH₂ groups, wherein s is an integer representing a number of repeating —CH₂ groups, and wherein X is (a) a direct bond, (b) an oxygen atom, (c) a sulfur atom, (d) a group of the formula —NR₄₀— wherein R₄₀ is a hydrogen atom, an alkyl group, wherein the alkyl group may be saturated or unsaturated, wherein the alkyl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be placed between the carbon atoms in the alkyl group, an aryl group, wherein the aryl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in the aryl group, an arylalkyl group, wherein the arylalkyl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the arylalkyl group, or an alkylaryl group, wherein the alkylaryl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the alkylaryl group, or (e) a group of the formula —CR₅₀R₆₀— wherein R₅₀ and R₆₀ each, independently of the other, is a hydrogen atom, an alkyl group, wherein the alkyl group may be saturated or unsaturated, wherein the alkyl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be placed between the carbon atoms in the alkyl group, an aryl group, wherein the aryl group may be substituted or unsubstituted and wherein hetero atoms either may or may not be present in the aryl group, an arylalkyl group, wherein the arylalkyl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the arylalkyl group, or an alkylaryl group, wherein the alkylaryl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the alkylaryl group, and wherein R₆ can also be


2. A compound according to claim 1 wherein Z is a group of the formula —OR₁, a group of the formula —SR₁, or a group of the formula —NR₁R₂, Y is a group of the formula —OR₃, a group of the formula —SR₃, or a group of the formula —NR₃R₄, n is from 1 to about 100, wherein, provided that at least one of R₁, R₂, R₃, R₄, and R₆ is a hydrogen atom, provided that at least one of R₁, R₂, R₃, R₄, and R₆ is other than a hydrogen atom, and provided that at least one Z or Y within the compound Is a group of the formula —NR₁R₂ or a group of the formula —NR₃R₄, R₁, R₂, R₃, R₄, R₆, and R₇ each, independently of the others, is (i) a hydrogen atom, (ii) an alkyl group having at least 1 carbon atom and having no more than about 96 carbon atoms, (iii) an aryl group having at least about 6 carbon atoms and having no more than about 50 carbon atoms, (iv) an arylalkyl group having at least about 7 carbon atoms and having no more than about 96 carbon atoms, or (v) an alkylaryl group having at least about 7 carbon atoms and having no more than about 96 carbon atoms, and wherein R₇ can also be (vi) an alkoxy group having at least 1 carbon atom and having no more than about 96 carbon atoms, (vii) an aryloxy group having at least about 6 carbon atoms and having no more than about 50 carbon atoms, (viii) an arylalkyloxy group having at least about 7 carbon atoms and having no more than about 96 carbon atoms, (ix) an alkylaryloxy group having at least about 7 carbon atoms and having no more than about 96 carbon atoms, (x) a polyalkyleneoxy group wherein the alkyl portion of the repeat alkyleneoxy groups has from about 1 to about 12 carbon atoms and wherein the number of repeat alkyleneoxy groups is from about 2 to about 50, (xi) a polyaryleneoxy group wherein the aryl portion of the repeat aryleneoxy groups has from about 6 to about 14 carbon atoms and wherein the number of repeat aryleneoxy groups is from about 2 to about 20, (xii) a polyarylalkyleneoxy group wherein the arylalkyl portion of the repeat arylalkyleneoxy groups has from about 7 to about 50 carbon atoms and wherein the number of repeat arylalkyleneoxy groups is from about 2 to about 20, (xiii) a polyalkylaryleneoxy group wherein the alkylaryl portion of the repeat alkylaryleneoxy groups has from about 7 to about 50 carbon atoms and wherein the number of repeat alkylaryleneoxy groups is from about 2 to about 20, (xiv) a silyl group, (xv) a siloxane group, (xvi) a polysilylene group with from 2 to about 100 repeat silylene units, (xvii) a polysiloxane group with from 2 to about 200 repeat siloxane units, or (xviii) a group of the formula

wherein r is at least 1, wherein r is no more than about 100, wherein s is at least 1, wherein s is no more than about 100, and wherein X is (a) a direct bond, (b) an oxygen atom, (c) a sulfur atom, (d) a group of the formula —NR₄₀— wherein R₄₀ is a hydrogen atom, an alkyl group with from 1 to about 50 carbon atoms, an aryl group with from 6 to about 50 carbon atoms, an arylalkyl group with from about 7 to about 100 carbon atoms, or an alkylaryl group with from about 7 to about 100 carbon atoms, or (e) a group of the formula —CR₅₀R₆₀— wherein R₅₀ and R₆₀ each, independently of the other, is a hydrogen atom, an alkyl group with from 1 to about 50 carbon atoms, an aryl group with from 6 to about 50 carbon atoms, an arylalkyl group with from about 7 to about 100 carbon atoms, or an alkylaryl group with from about 7 to about 100 carbon atoms, and wherein R₆ can also be


3. A compound according to claim 1 wherein at least one of R₁, R₂, R₃, R₄, and R₆ is an unsubstituted alkyl group, an unsubstituted aryl group, an unsubstituted arylalkyl group, or an unsubstituted alkylaryl group.
 4. A compound according to claim 1 wherein at least one of R₁, R₂, R₃, R₄, and R₆ is a substituted alkyl group, a substituted aryl group, a substituted arylalkyl group, or a substituted alkylaryl group.
 5. A compound according to claim 4 wherein the substituents on the substituted alkyl group, substituted aryl group, substituted arylalkyl group, or substituted alkylaryl group are halogen atoms, amine groups, ammonium groups, pyridine groups, pyridinium groups, ether groups, ester groups, amide groups, carbonyl groups, sulfate groups, sulfonate groups, sulfide groups, sulfoxide groups, phosphonium groups, phosphate groups, nitrile groups, nitro groups, nitroso groups, sulfone groups, acyl groups, azo groups, alkoxy groups, aryloxy groups, arylalkyloxy groups, alkylaryloxy groups, polyalkyleneoxy groups wherein the alkyl portion of the repeat alkyleneoxy groups has from about 1 to about 12 carbon atoms and wherein the number of repeat alkyleneoxy groups is from about 2 to about 50, polyaryleneoxy groups wherein the aryl portion of the repeat aryleneoxy groups has from about 6 to about 14 carbon atoms and wherein the number of repeat aryleneoxy groups is from about 2 to about 20, polyarylalkyleneoxy groups wherein the arylalkyl portion of the repeat arylalkyleneoxy groups has from about 7 to about 50 carbon atoms and wherein the number of repeat arylalkyleneoxy groups is from about 2 to about 20, polyalkylaryleneoxy group wherein the alkylaryl portion of the repeat alkylaryleneoxy groups has from about 7 to about 50 carbon atoms and wherein the number of repeat alkylaryleneoxy groups is from about 2 to about 20, silyl groups, siloxane groups, polysilylene groups with from 2 to about 100 repeat silylene units, polysiloxane groups with from 2 to about 200 repeat siloxane units, or mixtures thereof, wherein two or more substituents can be joined together to form a ring.
 6. A compound according to claim 1 wherein R₁, R₂, R₃, and R₄ each, independently of the others, is hydrogen, methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, or elcosyl.
 7. A compound according to claim 1 wherein R₆ is hydrogen,


8. A compound according to claim 1 wherein n is 1, 3, 5, 7, or
 9. 9. A compound according to claim 1 of the formula


10. A compound according to claim 1 of the formula


11. A compound according to claim 1 of the formula


12. A compound according to claim 1 of the formula


13. A process for preparing a compound of the formula

wherein Z is group of the formula —NR₁R₂, Y is a group of the formula —NR₃R₄, n is on integer representing the number of repeat —(CH₂)— or —(CH₂CH₂O)— units, wherein, provided that at least one of R₁, R₂, R₃, R₄, and R₆ is a hydrogen atom, provided that at least one of R₁, R₂, R₃, R₄, and R₆ is other than a hydrogen atom, and provided that at least one Z or Y within the compound is a group of the formula —NR₁R₂ or a group of the formula —NR₃R₄, R₁, R₂, R₃, R₄, R₆, and R₇ each, independently of the others, is (i) a hydrogen atom, (ii) an alkyl group, wherein the alkyl group may be saturated or unsaturated, wherein the alkyl group may be substituted of unsubstituted, and wherein hetero atoms either may or may not be placed between the carbon atoms in the alkyl group, (iii) an aryl group, wherein the aryl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in the aryl group, (iv) an arylalkyl group, wherein the arylalkyl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the arylalkyl group, or (v) an alkylaryl group, substituted and unsubstituted, and wherein the alkylaryl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the alkylaryl group, and wherein R₇ can also be (vi) an alkoxy group, wherein the alkoxy group may be saturated or unsaturated, wherein the alkoxy group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in the alkyl portion of the alkoxy group, (vii) an aryloxy group, wherein the aryloxy group may be or may not be or unsubstituted, and wherein hetero atoms either may or may not be present in the aryl portion of the aryloxy group, (viii) an arylalkyloxy group, wherein the arylalkyloxy group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the arylalkyloxy group, (ix) an alkylaryloxy group, wherein the alkylaryloxy group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the alkylaryloxy group, (x) a polyalkyleneoxy group, (xi) a polyaryleneoxy group, (xii) a polyarylalkyleneoxy group, (xiii) a polyalkylaryleneoxy group, (xiv) a silyl group, wherein the silyl group may be substituted or unsubstituted, (xv) a siloxane group, wherein the siloxane group may be substituted or unsubstituted, (xvi) a polysilylene group, wherein the polysilylene group may be substituted or unsubstituted, (xvii) a polysiloxane group, wherein the polysiloxane group may be substituted or unsubstituted, or (xviii) a group of the formula

wherein r is an integer representing a number of repeat —CH₂— groups, wherein s is an integer representing a number of repeating —CH₂— groups, and wherein X is (a) a direct bond, (b) an oxygen atom, (c) a sulfur atom, (d) a group of the formula —NR₄₀— wherein R₄₀ is a hydrogen atom, an alkyl group, wherein the alkyl group may be saturated or unsaturated, wherein the alkyl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be placed between the carbon atoms in the alkyl group, an aryl group, wherein the aryl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in the aryl group, an arylalkyl group, wherein the arylalkyl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the arylalkyl group, or an alkylaryl group, wherein the alkylaryl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the alkylaryl group, or (e) a group of the formula —CR₅₀R₆₀— wherein R₅₀ and R₆₀ each, independently of the other, is a hydrogen atom, an alkyl group, wherein the alkyl group may be saturated or unsaturated, wherein the alkyl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be placed between the carbon atoms in the alkyl group, an aryl group, wherein the aryl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in the aryl group, an arylalkyl group, wherein the arylalkyl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the arylalkyl group, or an alkylaryl group, wherein the alkylaryl group may be substituted or unsubstituted, and wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of the alkylaryl group, and wherein R₆ can also be

which comprises (I) admixing a compound of the formula

with a cyanuric halide at a temperature below about 0° C.; and (II) thereafter adding thereto one or more amines of the formulae R₁R₂NH and R₃R₄NH, wherein R₁, R₂, R₃, and R₄ can be either the same as each other or different from each other and allowing the reactants to react at a temperature of at least about 60° C. thereby generating a compound of the formula 